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+<TITLE>
+The Project Gutenberg eBook of The Saddle Boys of the Rockies - Lost on Thunder Mountain, by James Carson
+</TITLE>
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+<pre>
+
+Project Gutenberg's The Saddle Boys of the Rockies, by James Carson
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever. You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org
+
+
+Title: The Saddle Boys of the Rockies
+ Lost on Thunder Mountain
+
+Author: James Carson
+
+Release Date: August 25, 2006 [EBook #19120]
+
+Language: English
+
+Character set encoding: ISO-8859-1
+
+*** START OF THIS PROJECT GUTENBERG EBOOK THE SADDLE BOYS OF THE ROCKIES ***
+
+
+
+
+Produced by Al Haines
+
+
+
+
+
+</pre>
+
+
+<A NAME="img-front"></A>
+<CENTER>
+<IMG SRC="images/img-front.jpg" ALT="THE BIG POWERFUL BLACK ACTED AS THOUGH HE HAD GONE WILD." BORDER="2" WIDTH="384" HEIGHT="631">
+<H3>
+[Illustration: THE BIG POWERFUL BLACK <BR>
+ACTED AS THOUGH HE HAD GONE WILD.]
+</H3>
+</CENTER>
+
+<BR><BR>
+
+<H1 ALIGN="center">
+The Saddle Boys of the Rockies
+</H1>
+
+<H3 ALIGN="center">
+Or
+</H3>
+
+<H2 ALIGN="center">
+Lost on Thunder Mountain
+</H2>
+
+<BR>
+
+<H3 ALIGN="center">
+BY
+</H3>
+
+<H2 ALIGN="center">
+CAPTAIN JAMES CARSON
+</H2>
+
+<BR><BR>
+
+<H3 ALIGN="center">
+AUTHOR OF
+<BR>
+"THE SADDLE BOYS IN THE GRAND CANYON,"<BR>
+"THE SADDLE BOYS ON THE PLAINS,"<BR>
+"THE SADDLE BOYS AT CIRCLE RANCH," ETC.<BR>
+</H3>
+
+<BR><BR>
+
+<H3 ALIGN="center">
+ILLUSTRATED
+</H3>
+
+<BR><BR>
+
+<H4 ALIGN="center">
+NEW YORK
+<BR>
+CUPPLES &amp; LEON COMPANY
+<BR>
+PUBLISHERS
+</H4>
+
+<BR><BR><BR>
+
+<H5 ALIGN="center">
+Copyrighted 1913, by
+<BR>
+CUPPLES &amp; LEON COMPANY
+<BR><BR>
+THE SADDLE BOYS OF THE ROCKIES
+</H5>
+
+<BR><BR><BR>
+
+<H2 ALIGN="center">
+CONTENTS
+</H2>
+
+<BR>
+
+<CENTER>
+
+<TABLE WIDTH="80%">
+<TR>
+<TD ALIGN="right" VALIGN="top">CHAPTER</TD>
+<TD ALIGN="left" VALIGN="top">&nbsp;</TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">I.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap01">ACCEPTING A CHALLENGE</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">II.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap02">THE STRANGE ACTIONS OF DOMINO</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">III.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap03">OLD HANK COOMBS BEARS A MESSAGE</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">IV.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap04">A NOTE OF WARNING AT THE SPRING HOLE</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">V.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap05">THE VOICE OF THE MOUNTAIN</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">VI.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap06">A SECOND ALARM</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">VII.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap07">THE "RUSTLERS"</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">VIII.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap08">A STARTLING DISCOVERY</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">IX.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap09">WHAT HAPPENED TO PEG</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">X.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap10">THREATS OF TROUBLE</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XI.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap11">THE BLACK NIGHT</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XII.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap12">LOSING THEIR BEARINGS</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XIII.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap13">THE SMOKE TRAIL</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XIV.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap14">A CALL FOR HELP</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XV.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap15">SPANISH JOE DROPS A HINT</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XVI.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap16">THE VENT HOLE IN THE WALL</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XVII.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap17">FRANK HOLDS THE HOT STICK</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XVIII.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap18">A GUESS THAT HITS THE BULLSEYE</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XIX.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap19">THE WORKING OF THE GOLD LODE</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XX.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap20">TRAPPED IN THE CANYON</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XXI.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap21">A CLOSE CALL</A></TD>
+</TR>
+
+<TR>
+<TD ALIGN="right" VALIGN="top">XXII.&nbsp;&nbsp;</TD>
+<TD ALIGN="left" VALIGN="top">
+<A HREF="#chap22">ONCE MORE AT CIRCLE RANCH&mdash;CONCLUSION</A></TD>
+</TR>
+
+</TABLE>
+
+</CENTER>
+
+<BR><BR><BR>
+
+<A NAME="chap01"></A>
+<H1 ALIGN="center">
+THE SADDLE BOYS OF THE ROCKIES
+</H1>
+
+<BR>
+
+<H3 ALIGN="center">
+CHAPTER I
+</H3>
+
+<H3 ALIGN="center">
+ACCEPTING A CHALLENGE
+</H3>
+
+<P>
+"Hello! what brought you here, Frank Haywood, I'd like to know?"
+</P>
+
+<P>
+"Well, I reckon my horse, Buckskin, did, Peg."
+</P>
+
+<P>
+"And who's this with you&mdash;your new chum; the boy from Kentucky?"
+</P>
+
+<P>
+"That's who it is, Peg&mdash;Bob Archer; and he's come out West to see how
+life on the plains suits him."
+</P>
+
+<P>
+"Oh! a greenhorn, eh?"
+</P>
+
+<P>
+"Perhaps some people might call him that, though he knows a heap about
+horses. But seems to me, Peg, 'twasn't so very long ago that you
+yourself dropped in on us here. Since when did you climb up out of the
+tenderfoot class, tell me?"
+</P>
+
+<P>
+The boy who answered to the name of Frank Haywood was a rather chunky,
+well set-up lad of about sixteen. He had blue eyes, that were usually
+sparkling with mirth; and a mop of yellow hair; while his skin was
+darkened by long exposure to sun and wind.
+</P>
+
+<P>
+Frank was the son of a rancher, who not only owned a large tract of
+land with many herds, but had interests in paying mines located among
+the mountains of the Southwest. Of course he knew more or less
+concerning such things as cowboys practice; though never a day passed
+on which Frank could not pick up new ideas connected with life in the
+open.
+</P>
+
+<P>
+His companion, Bob Archer, was considerably taller than Frank, straight
+as an Indian, though rather inclined to be slender; but with a
+suppleness that indicated such strength and agility as the panther
+displays.
+</P>
+
+<P>
+Coming from Kentucky, Bob could at least boast of long familiarity with
+horses; and his cleverness in this line promised to make him a crack
+horseman when he had picked up a few more of the tricks known to range
+riders.
+</P>
+
+<P>
+Both of the boys were especially fond of roaming the country, mounted
+on their favorite steeds; and indeed, they were becoming known far and
+near as the "Saddle Boys" because of their being seen so frequently,
+dashing over the prairies at top-notch speed.
+</P>
+
+<P>
+Peg was the nick-name which had followed Percy Egbert Grant all the way
+from the Chicago suburb, where, for some years, he had played the part
+of both dude and bully. His father was very wealthy, and Peg always
+had more money than was good for him.
+</P>
+
+<P>
+When he came to the great X-bar-X ranch, not so very far distant from
+the Haywood home place, Peg had adopted the same tactics that had
+carried the day for him in the past. The cowboys belonging to his
+father's estate seemed to knuckle under to him from the first. However
+much they might ridicule Peg behind his back, they cringed when he gave
+orders; because he was a liberal paymaster, and no one wished to incur
+his enmity.
+</P>
+
+<P>
+So it came to pass that Peg actually began to believe himself of great
+importance in the community. He assumed airs that ill became one who
+was really ignorant of many things connected with ranch life.
+</P>
+
+<P>
+He and Frank had never become friends. There was something about the
+fellow that the saddle boy could not tolerate. More than once they had
+almost come to blows; and, only for the peace-loving nature of Frank,
+this must have occurred long ago.
+</P>
+
+<P>
+The two chums had taken the long gallop to the town on the railroad on
+this particular day to do a little important business for Mr. Haywood,
+who was associated with Bob's uncle in certain large mining
+enterprises. And it was while entering the town that they met Peg,
+who, with his customary assurance, had halted them with the question
+that begins this chapter.
+</P>
+
+<P>
+When Frank give him this little cut, the face of Peg Grant showed signs
+of anger. He knew very well that he was making wretched progress along
+the line of becoming an accomplished rider and cowboy. And the easy
+manner in which the other boys sat their saddles irritated him greatly.
+</P>
+
+<P>
+"What does it matter to you, Frank Haywood, when I left the greenhorn
+class and moved up a pace? All the boys of the X-bar-X outfit say I'm
+full-fledged now, and able to hold my own with nearly any fellow.
+It'll be some time, I reckon, before your new friend can say the same.
+But I will own that he's got a horse that takes my eye, for a fact."
+</P>
+
+<P>
+"That's where you show good judgment, Peg," said Frank, laughing. "He
+brought that black horse with him from Kentucky. And he can ride some,
+you'd better believe me. When he gets on to the ways we have out here,
+Bob will hold his own against heaps of boys that were born and brought
+up on the plains."
+</P>
+
+<P>
+"Say, I don't suppose, now, you'd care to sell that animal, Archer?"
+asked Peg, as he eyed the handsome mount of the Kentucky boy enviously.
+"Because I fancy I'd like to own him more than I ever did that frisky
+buckskin Frank rides. If you'd put a fairly decent price on him now&mdash;"
+</P>
+
+<P>
+"I raised Domino from a colt, I broke him to the saddle, and we have
+been together five years now. Money couldn't buy him from me," replied
+the tall boy, curtly.
+</P>
+
+<P>
+It was not Bob Archer's habit to speak in this strain to anyone; but
+there seemed to be a something connected with Peg Grant that irritated
+him. The manner of the other was so overbearing as to appear almost
+rude. He had had his own way a long time now; and thus far no one
+connected with the big ranch owned by his father had arisen to take him
+down.
+</P>
+
+<P>
+"Oh! well, there are plenty of horses just as good, I guess," Peg went
+on; "and some people don't appreciate the value of money, anyway. But
+see here, Frank, you let your eyebrows travel up when I mentioned the
+fact that I'd graduated from the tenderfoot class. I could see that
+you doubted my words. Now, I'm going to tell you something that will
+surprise you a heap. Are you ready for a shock?"
+</P>
+
+<P>
+"Oh; I can brace myself for nearly anything, Peg," replied Frank,
+easily; "so suppose you tell us your great news. Have you entered for
+the endurance race at the annual cowboy meet next month; or do you
+expect to take the medal for riding bucking broncos?"
+</P>
+
+<P>
+"Any ordinary range rider might do that, even if he lost out," Peg went
+on; "but my game is along different lines; see? I'm on my way right
+now to run down the mystery of Thunder Mountain! I understand that for
+years it's puzzled the whole country to know what makes that roaring
+sound every now and then. Many cowboys couldn't be hired to spend a
+single night on that mountain. As for the Indians, they claim it is
+the voice of Great Manitou; and steer clear of Thunder Mountain, every
+time. Get that, Frank?"
+</P>
+
+<P>
+"Well, Peg, you have given me a jolt, for a fact," answered the saddle
+boy, as his face expressed his surprise. "I allow that you show a lot
+of nerve in laying out such a big plan; and if you only find out what
+makes that trembling, roaring sound, you'll get the blessing of many a
+range rider who believes all the stories told about Thunder Mountain."
+</P>
+
+<P>
+Peg stiffened up in his saddle, as though he realized that he was
+engineering a tremendously important thing; and had a right to be
+looked up to as a hero, even before the accomplishment of the deed.
+</P>
+
+<P>
+"Well, that's always the way with you fellows out here, I find," he
+remarked, loftily; "you leave all the big things to be done by fellows
+with real backbone. But then, I don't mind; in fact I'm obliged to you
+for neglecting your opportunities so long. Just you wait, and you'll
+hear something drop. Couldn't I induce you to name a price on that
+black beauty, Archer?"
+</P>
+
+<P>
+"Domino is not for sale at any price," replied the other, quietly.
+</P>
+
+<P>
+"Oh! all right then. So long, Frank. Go back home, and wait till I
+send you word about what I've found out!" and with a careless wave of
+his arm Peg whirled his horse around, and galloped off.
+</P>
+
+<P>
+"Now, I wonder did he mean that; or was he just bluffing?" said Frank,
+as he turned to his chum.
+</P>
+
+<P>
+"He looked as if he might be in dead earnest," replied Bob; "but you
+know him better than I do, and ought to be able to say whether he'd
+have the sand to take up such a job as that."
+</P>
+
+<P>
+"Oh! nobody doubts his grit, when it comes to that," Frank went on, as
+though trying to figure the matter out. "And he seems to want to do
+something everybody else lets alone. You know what I told you about
+Thunder Mountain, Bob; and how it has been a mystery ever since the
+country hereabout was settled by people from the East?"
+</P>
+
+<P>
+"Yes," the Kentucky boy replied, "and somehow, what you told me seemed
+to shake me up as I don't ever remember being stirred before. It was
+like a direct challenge&mdash;just like somebody had dared me to look into
+this queer old mountain, and find out what it all meant."
+</P>
+
+<P>
+"That's just it," said Frank, watching the face of his chum with a show
+of eagerness. "It struck me the same way long ago, and I can remember
+often thinking what a great time a few of the right kind of fellows
+might have if they took a notion to go nosing around that old pile of
+rock, to see what does make all that row every little while."
+</P>
+
+<P>
+"And you tell me nobody knows what it is?" demanded Bob.
+</P>
+
+<P>
+"Why, don't you understand, the cowboys all keep away from Thunder
+Mountain as much as they can. They're worse than the Injuns about it,
+because while the reds say that is the voice of Manitou talking, these
+fellows just up and declare the mountain is haunted. Lots of 'em
+couldn't be hired to spend a night on the side of that big uplift."
+</P>
+
+<P>
+"But Frank, we don't believe in any such thing, do we?" pursued Bob, as
+if he had begun to suspect what all this talk was leading up to, and
+wished to draw his chum on.
+</P>
+
+<P>
+"We sure don't, and that's a fact," declared Frank. "Twice, now, one
+of our boys has made out that he saw a ghost, but both times I managed
+to turn the laugh on him. All the same, if you offered a lump sum for
+any fellow to go and camp out half-way up the side of Thunder Mountain
+for a week, I don't believe he could be found, not at Circle Ranch,
+anyhow."
+</P>
+
+<P>
+"I've seen the same kind of men myself; and the coons around our old
+Kentucky home always carried a foot of a graveyard rabbit, shot in the
+full of the moon, as a sure talisman against ghosts. I've seen many a
+rabbit's foot. No use talking to any of them; it's in the blood and
+can't be cured. But about that offering a sum for any fellow to go and
+camp on the side of that old fraud of a haunted mountain, if you happen
+to hear about such a snap you might just think of me, Frank."
+</P>
+
+<P>
+The other saddle boy smiled broadly. He believed he knew Bob pretty
+well by this time, and could no longer doubt what the Kentucky lad was
+hinting at.
+</P>
+
+<P>
+"Say, look here, would you take me up if I proposed something right
+now?" asked Frank, his face filled with sudden animation.
+</P>
+
+<P>
+"If you mean that we try and beat Peg Grant at his own game, and learn
+what the secret of Thunder Mountain is, I say yes!" answered Bob,
+steadily.
+</P>
+
+<P>
+"Shake on that!" he exclaimed. "I'm just primed for something that's
+out of the common run; and what could be finer than such a game? I saw
+Billy Dixon in town; and we can send back word to father that we've
+gone off for a big gallop; so he won't worry if we don't turn up for a
+few days. Is it a go, Bob?"
+</P>
+
+<P>
+"Count on me," replied the other. "I don't know how it is, Frank; but
+it strikes me that I'd like to cut in on that boaster in this thing.
+If we managed to find out what makes that fearful booming in the
+mountain, and told about it before he got a chance to blow his horn,
+he'd feel cheap, wouldn't he?"
+</P>
+
+<P>
+"He sure would, now," Frank said. "And when you look at it, he just
+the same as gave us the challenge direct, because he hinted that we
+didn't have the nerve to attempt such a big thing as this. Bob, we'll
+call it a go! Wonder what Peg will say when he runs across us out
+there in that lonely place? Wow! I reckon he'll be some mad."
+</P>
+
+<P>
+"Let him," remarked Bob, carelessly. "He has no claim on Thunder
+Mountain; has he? And we want to call his bluff, if it was one. So
+just make up your mind we're in for a new experience. It may pan out a
+heap of fun for us. And it will be worth while if we can settle the
+question that has been giving these superstitious cowmen the creeps all
+these years."
+</P>
+
+<P>
+"Then let's get through with our business, send word by Billy, though
+not telling what we've got in the wind, and then pick up a few things
+we might need on a trip like this. After that we can drop out of town,
+and take our time heading for the mountain; because I think I'd like
+Peg to get there first, so that he couldn't say we'd stolen his
+thunder."
+</P>
+
+<P>
+Half an hour later the saddle boys, having finished their business, and
+sent the Circle ranch cowboy galloping homeward bearing the message to
+Mr. Haywood, were moving slowly through the main street of the town,
+heading toward a store where they could pick up a couple of blankets, a
+simple cooking outfit, and some of the substantials in the way of
+bacon, coffee and the like, when they came upon a scene that instantly
+attracted their attention.
+</P>
+
+<P>
+It was a terrified cry that reached their ears at first, and caused
+both boys to pull in their horses. Glancing in the direction whence
+the sound of distress seemed to spring, they saw a small Mexican girl
+struggling with an over-grown fellow, garbed in the customary range
+habit, even to the "chaps" of leather covering his trousers.
+</P>
+
+<P>
+Both Frank and Bob jumped from their saddles, for the little affair was
+taking place in the courtyard of an inn that fronted on the street.
+Whether the brute was simply playing the bully, and trying to kiss the
+girl; or meant to strike her for getting in his way, Bob Archer did not
+stop to inquire.
+</P>
+
+<P>
+His warm Kentucky blood on fire, he made a swoop for the fellow, and
+managed to give him a tremendous blow that toppled him over in a heap.
+</P>
+
+<P>
+"Lie there, you coward!" he exclaimed.
+</P>
+
+<P>
+And then, as the fellow whom he had knocked down struggled to his
+knees, to stare up at him, Bob discovered, not a little to his
+surprise, and satisfaction as well, that he was looking into a familiar
+face.
+</P>
+
+<P>
+It was Peg Grant!
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap02"></A>
+<H3 ALIGN="center">
+CHAPTER II
+</H3>
+
+<H3 ALIGN="center">
+THE STRANGE ACTIONS OF DOMINO
+</H3>
+
+
+<P>
+"Well, I declare!" exclaimed Frank; which remark showed how much
+surprised he was to recognize the youth whom his chum had sent to the
+ground.
+</P>
+
+<P>
+"What do you mean by hitting me like that?" snarled the rich man's son,
+as he managed to scramble to his feet again, though he seemed a bit
+"groggy," and one of his eyes was already turning dark, as if it had
+come in violent contact with a stone when he struck the ground.
+</P>
+
+<P>
+"What do <I>you</I> mean, hurting that poor little Mexican girl?" demanded
+Bob, who stood on his guard, as though he might not be averse to trying
+conclusions with the bully, if so be the other felt like seeking
+satisfaction for his upset.
+</P>
+
+<P>
+"She sassed me when I ordered her to get out of my way, that's what she
+did;" declared Peg, wrathfully, "and I'd look nice now, wouldn't I,
+letting a little greaser kid talk back to me? So I was just giving her
+a good shaking when you broke in. Guess you didn't know who you were
+hitting when you did that, Bob Archer!"
+</P>
+
+<P>
+"Perhaps I didn't," replied the Kentucky lad, calmly; "though that
+wouldn't have made any particular difference. Any cur who would lay
+his hands on a child like that ought to get knocked down every time.
+I'd do it again if you gave me the chance!"
+</P>
+
+<P>
+Peg stared at him. Perhaps he had never been treated in this manner
+before. All his life his acquaintances had truckled to him on account
+of the great wealth of his father, and the liberal way he himself, as a
+boy, rewarded those who were allowed the privilege of being his cronies
+or mates.
+</P>
+
+<P>
+"You&mdash;would, eh?" he gasped, as if hardly daring to believe his ears.
+"Even if you knew it was Peg Grant you'd treat me that way; would you?
+I'll remember that! I'm not the one to forget in a hurry. Some day,
+perhaps, you'll wish you'd never tried to play the hero part, and hit
+me when my back was turned. I've got a good notion to teach you a
+lesson right now; that's what!"
+</P>
+
+<P>
+"All right," remarked Bob, coolly. "Suppose you begin. I was never in
+a better humor for trouble. Somehow I seemed to just know we'd hit it
+up sooner or later if our trails crossed. I give you my word, my
+friend here won't put a finger on you, if so be you get the better of
+the row; will you Frank?"
+</P>
+
+<P>
+"I should say not," declared the lad, instantly, adding: "and unless I
+miss my guess there won't be any need of it, either."
+</P>
+
+<P>
+"Are you coming on, Peg?" asked the Kentucky lad, temptingly.
+</P>
+
+<P>
+From under his drooping eyebrows Peg observed how easily the other had
+assumed a position of self-defense. Somehow Peg did not fancy the
+athletic build of his antagonist; for, while Bob was rather slender, he
+had the marks of one accustomed to exercise; possessing at least
+ordinary ability to take care of himself.
+</P>
+
+<P>
+"It'll keep, and be all the better for the delay," Peg grumbled, as he
+clenched one fist furiously, and used the other hand to feel of his
+injured optic. "Besides, I don't feel fit to fight right now, with
+this bunged-up eye. But just wait till the right time comes, and see
+what you get then for doing this."
+</P>
+
+<P>
+"Oh! well, suit yourself," returned Bob, with a laugh. "If the little
+brown-faced girl hadn't vamoosed I declare if I wouldn't feel like
+making you get down on your knees, and asking her to excuse you. Bah!
+you're not worth bothering about, Peg. Get out!"
+</P>
+
+<P>
+The other moved away. He did not like the manner in which Bob said
+this; and he seemed to be afraid that perhaps the other might yet
+decide to press some further indignity on him.
+</P>
+
+<P>
+When, however, he had reached the door of the inn, so that he could
+have a way of escape open to him in case of need, he stopped and shook
+his fist threateningly toward the saddle boys.
+</P>
+
+<P>
+"You're both going to pay dear for this little fun, hear that?" he
+called, his voice trembling with passion. "I'll find a way to get
+even, see if I don't! And when Peg Grant says that he means it, too!
+Just you wait till I&mdash;&mdash;"
+</P>
+
+<P>
+And then, as Bob started to advance toward the hostelery Peg retreated
+in a panic, slamming the door after him.
+</P>
+
+<P>
+"Well, what d'ye think of that?" asked Frank, who had been an amused
+observer of this curious scene.
+</P>
+
+<P>
+"He's turned out just what I thought he would," remarked Bob, as he
+once more gained the side of his comrade, a grim smile on his face.
+"Whenever you run across a fellow who likes to boast of the way he does
+things, make up your mind he's a rank coward, every time. No matter
+what he claims he will do, there's a yellow streak in him <I>somewhere</I>,
+and sooner or later it's bound to show."
+</P>
+
+<P>
+"I believe you're just about right, Bob," said Frank; "and it agrees
+with my own opinion exactly. Still, that fellow can be dangerous if he
+wants."
+</P>
+
+<P>
+"So can a rattlesnake; but at any rate the reptile is honest, for he
+gives plenty of warning before he tries to strike; and that's more'n
+Peg would do, if I read him straight."
+</P>
+
+<P>
+"You must keep an eye out for him after this, Bob. He'll never forgive
+you that crack. My! but didn't it drop him, though! Just like a steer
+would go down when the loop of a lariat closes on his foreleg. That
+fellow will lie awake nights trying to get even with you."
+</P>
+
+<P>
+"Let him," remarked Bob, carelessly; "next time perhaps I'll put a
+little more steam back of my fist, if he pushes me too hard. That's
+the way they treat cowards back where I was brought up; and they call
+anybody by that name who will put his hand in anger on girl or woman.
+But see here, Frank, is this little affair going to force us to change
+our plans?"
+</P>
+
+<P>
+"Whew! I forgot all about that," said the other, with a whistle, and
+an uplifting of his eyebrows. "If we go poking around Thunder
+Mountain, and Peg is there, with a couple of the tough cowboys he has
+trailing after him most of the time, Spanish Joe and Nick Jennings,
+perhaps we'll run up against a peck of trouble."
+</P>
+
+<P>
+"Well, how about it?" asked Bob, with a shade of annoyance on his face.
+</P>
+
+<P>
+"What do you say?" asked Frank, in turn.
+</P>
+
+<P>
+"Go, by all means," came the quick response. "You don't think so mean
+of me as to believe I'd be frightened off by the bare chance of running
+across that fellow's trail out there; do you, Frank?"
+</P>
+
+<P>
+"All right, call it a bargain, then. I'm with you through thick and
+thin, Bob. Let Peg have a care how he meddles with us. We're going to
+pay attention to our own business, and he'd better do the same. But
+what became of the little Mex? I thought I'd seen her face before,
+somewhere, but she skipped out before I could take a second look. Some
+cowboy, or cattle rustler's child from beyond the Rio Grande, I reckon.
+Well, come along, let's get in the saddle again, and finish our
+shopping. Then we'll go out to the country along the river, and put in
+a day waiting for Peg to have his chance at finding out what makes
+Thunder Mountain groan and shake just so often, and scare the Injuns
+out of their seven senses."
+</P>
+
+<P>
+As the two chums swung themselves into their saddles, and cantered
+away, a head was thrust cautiously out from behind a pile of boxes near
+by; and then, finding the coast clear, the small girl who had been the
+cause of all the trouble darted across the courtyard, vanishing beyond
+the gate.
+</P>
+
+<P>
+Frank and Bob went about making their purchases, first fastening their
+horses to a rail in front of the general store, where everything they
+needed could be bought.
+</P>
+
+<P>
+More than one cattleman in passing would cast an envious eye toward
+those two splendid mounts, for they could not fail to catch the
+attention of anyone accustomed to judging horseflesh, as these Western
+men were. Still, it would be a bold man indeed, white or Indian, who
+would dare attempt to steal a horse in broad daylight, in a country
+where such a thief was treated to a rope when caught.
+</P>
+
+<P>
+Frank had had considerable experience in roughing it, while his comrade
+was, in a measure, new to such a life. Consequently it was Frank whose
+judgment was called into play when making a selection of the things
+that would be essential to their comfort when on this new campaign.
+</P>
+
+<P>
+Many articles they could do without; but a blanket apiece was
+absolutely necessary, as was a frying pan and coffee pot, two cups, as
+many platters, as well as common knives, forks and spoons such as
+prospectors and cattlemen use.
+</P>
+
+<P>
+For food they took some bacon, coffee, dried meat, hard-tack in place
+of bread, a can of condensed milk, and several other things which would
+carry well.
+</P>
+
+<P>
+"We must make them up in two packs," Frank went on; "so that each of us
+can fasten one to his horse, back of the saddle. And, as I'm an old
+hand at this business, just watch me get a hustle on. Next time you'll
+know how to go about it for yourself, Bob."
+</P>
+
+<P>
+The Kentucky boy always studied everything his comrade showed him, for
+it was his ambition to excel in the many little tricks connected with
+the free life of the plains. Things were done so differently here from
+what he had been accustomed to in his old Kentucky home, before his
+father died, that they often puzzled him; but Bob was a persistent boy,
+and would never rest content until Frank could teach him no more.
+</P>
+
+<P>
+Neither of them suspected what was going on outside, while they busied
+themselves in purchasing the supplies needed for the little campaign in
+the neighborhood of the mysterious mountain. And yet all was not as
+quiet as it might be.
+</P>
+
+<P>
+The saddle boys had hardly been inside the general store ten minutes
+before a slinking figure might have been observed drawing nearer and
+nearer to the horses ranged along the bar. There were several besides
+the animals of our two young friends; but, somehow, the handsome black
+seemed to attract the entire attention of this shadowy form.
+</P>
+
+<P>
+Twice he stopped, and assumed an attitude that would indicate his utter
+indifference to such commonplace things as horses. Then, finding that
+it must have been a false alarm, he would edge closer.
+</P>
+
+<P>
+Finally he was beside the black horse, uttering low words such as
+cowboys make use of to soothe a restive steed when they mean to throw a
+saddle across his back, and cinch the girth.
+</P>
+
+<P>
+Two men came out from the store, and drew near. The slim figure,
+finding it out of the question to flit hurriedly away, without
+attracting attention, which was just the thing he wished to avoid,
+commenced stroking the sleek side of the big black Kentucky
+thoroughbred, as though he might be a cowboy connected with the far
+famed Circle ranch of Frank's father.
+</P>
+
+<P>
+Casting just one casual glance toward him, the men threw themselves
+into their saddles with the rapidity and grace of true plainsmen, and
+went galloping off.
+</P>
+
+<P>
+Two minutes later the shadowy figure of the man flitted away from the
+line of horses that remained. If his purpose had been to steal the
+black he must have changed his mind, for there was no break in the
+chain of horses that stood there, impatiently scraping the ground with
+their forefeet.
+</P>
+
+<P>
+A little later out came Frank and Bob, each bearing a compact bundle
+which they quickly fastened back of their saddles.
+</P>
+
+<P>
+Bob was the first to mount, and this action was hurried because he
+hardly knew what to make of the restless actions of Domino. The animal
+seemed to be dancing up and down as though he had stirred up a hornet's
+nest, and the little insects were charging his exposed legs.
+</P>
+
+<P>
+No sooner was Bob in the saddle than the horse gave a shrill neigh, and
+dashed off like a crazy creature. Indeed, a less experienced rider
+than Bob would have been instantly thrown by the sudden and unexpected
+move, something that Domino had never been known to attempt before.
+</P>
+
+<P>
+Frank looked up in astonishment. His practiced eye told him in an
+instant that the sudden violent dash had not been engineered in the
+least by his chum; but was altogether the result of fright on the part
+of Domino. Why, the big and powerful black acted as though he had gone
+wild, jumping madly about, now fairly flying off to one side, only to
+whirl and dance and leap high in the air, until every one within seeing
+distance was staring at the strange spectacle. And this, too, in a
+town where bucking broncos were a common sight.
+</P>
+
+<P>
+Frank had gained his saddle, and was chasing after his friend, but just
+then the black had taken a notion to run, and apparently nothing in
+that country could overtake him while his present savage mood held out.
+</P>
+
+<P>
+"What ails the beast?" Frank asked himself, as he drew rein and watched
+the other passing beyond range of his vision among the stunted
+mesquites outside of the edge of the town. "He acts like a locoed
+horse; but there isn't a bit of the poison weed growing within twenty
+miles of here. And why was Peg Grant standing on the stoop of the
+tavern grinning as I rode past? Can he have had a hand in this sudden
+crazy spell of the black? Spanish Joe knows all the tricks of putting
+a thorn under a saddle, that will stab the horse when the rider mounts.
+Is that the trouble now? If it is then it's lucky my chum knows as
+much as he does about managing a horse, or he would never come back
+alive from that mad ride. And all I can do is to sit here, wait for
+his return, and watch Peg Grant and his cronies!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap03"></A>
+<H3 ALIGN="center">
+CHAPTER III
+</H3>
+
+<H3 ALIGN="center">
+OLD HANK COOMBS BEARS A MESSAGE
+</H3>
+
+
+<P>
+If there was one thing Bob could do well, it was to ride. Born in
+Kentucky, where horses take a leading part in the education of most
+boys, Bob had always spent a good part of his time in the saddle.
+</P>
+
+<P>
+Hence, when he came out here to the plains, the cowboys of the ranch
+found that, in his own way, he was well versed in managing the fine
+black horse he brought along with him.
+</P>
+
+<P>
+Of course there were dozens of tricks which these daring riders of the
+plains could show the tenderfoot from the South; but when it came down
+to hard riding Bob was able to hold his own.
+</P>
+
+<P>
+When his powerful horse bolted in such a strange fashion Bob simply
+kept his seat, and tried to soothe Domino by soft words. For once the
+remedy failed to produce any immediate effect. The animal seemed
+fairly wild, and tore along over the open country like mad.
+</P>
+
+<P>
+"He never acted like this before in all his life," thought Bob, as he
+found considerable difficulty in keeping his saddle, such were the
+sudden whirls the black made in his erratic course.
+</P>
+
+<P>
+But although he had by no means learned all the things known to old
+cowmen, Bob had picked up quite a few points since arriving at the
+ranch. He had even heard of a mean trick practiced by revengeful
+Mexicans, and others, when they wished to place a rival's life in
+danger.
+</P>
+
+<P>
+"Something has happened to him since we went into that store," Bob said
+again and again, as he puzzled his wits to hit upon an explanation for
+the animal's remarkable antics. "Now, what could it have been? Would
+any fellow be so mean as to fasten some of those prickly sand burrs
+under his tail? Or perhaps it's a poison thorn under the saddle!"
+</P>
+
+<P>
+This last idea seemed to strike him as pretty near the truth. He began
+to investigate as well as he was able during the rushing of the runaway
+horse. When, in pursuing his investigations, he ran his hand under the
+flap of the saddle, he could feel the horse start afresh, and his queer
+actions seemed worse than ever.
+</P>
+
+<P>
+"That's just what it is, as sure as anything!" Bob declared, his whole
+frame quivering with indignation at the thought of anyone being so
+cruel and treacherous; "but how in the wide world am I going to get at
+the thing?"
+</P>
+
+<P>
+His first impulse was to ease the strain all he could by removing his
+weight from the point where he believed the thorn to have been hidden.
+This he did by leaning forward after the manner of a clever jockey in a
+race, throwing pretty much all his body upon the shoulders and neck of
+the horse.
+</P>
+
+<P>
+Then he again began to speak soothingly in the ear of Domino. By
+degrees the horse seemed to slacken his wild pace.
+</P>
+
+<P>
+Encouraged by this fact, Bob continued the treatment. It appeared as
+though the intelligent animal must comprehend what was wanted, for,
+although evidently still in more or less pain, he gradually ceased his
+runaway gait, until, finally, at the command of "whoa!" Domino came to
+a complete stop.
+</P>
+
+<P>
+Bob was on the ground immediately. His horse was trembling with
+excitement and other causes. Bob continued to pat him gently, and
+speak soothing words. All the time he was working toward the buckle of
+the band by means of which the saddle was held firmly on the beast's
+back.
+</P>
+
+<P>
+Once he had a grip on this he made a sudden pull. Domino squirmed, and
+for the moment Bob feared the animal would break away.
+</P>
+
+<P>
+"Easy now, old fellow; take it quiet! I'll have that saddle off in a
+jiffy; and see what is wrong. Softly, Domino! Good old Domino!"
+</P>
+
+<P>
+While he was talking in this manner Bob was releasing the band; and,
+with a sudden jerk, he threw the saddle to the ground.
+</P>
+
+<P>
+His quick eye detected signs of blood on the glossy back of the
+Kentucky horse.
+</P>
+
+<P>
+"That's what it was!" he exclaimed, angrily. "A thorn of some kind,
+put there so that when I jumped into my seat my weight would drive it
+in. And I reckon, too, it would be just like the cowardly sneak to
+pick out one that had a poison tip! Oh! what a skunk! and how I'd like
+to see some of the boys at the ranch round him up! But I wonder, now
+could I find it? I'd like to get Frank's opinion on it."
+</P>
+
+<P>
+The horse had by now ceased his mad prancing. This proved that the
+cause for his strange actions had been removed when Bob cast the saddle
+off. And it did not require a hunt of more than two minutes to
+discover some little object clinging to the cloth under the saddle. It
+was, just as Bob had suspected, a thorn with several points that were
+as sharp as needles, and very tough.
+</P>
+
+<P>
+Bob put it away in one of his pockets. Then he once more replaced the
+saddle, carefully adjusting the girth so as to avoid any more pressure
+on the painful back of Domino than was absolutely necessary.
+</P>
+
+<P>
+The horse seemed to understand his master's actions, and, although
+still restive, allowed Bob to mount.
+</P>
+
+<P>
+Cantering along over the back trail, in half an hour Bob came in sight
+of his chum heading toward him.
+</P>
+
+<P>
+"Well," said Frank, as they finally met, "I was beginning to get
+worried about you, even though I knew you could manage a horse all
+right. It was a lively run, I should say," as he glanced at the
+foam-streaked flanks of the gloss black.
+</P>
+
+<P>
+"As fierce a dash as I ever want to take," answered Bob, patting his
+horse gently.
+</P>
+
+<P>
+"Did you find out what ailed him?" asked the other.
+</P>
+
+<P>
+"After I'd spent some time trying to keep from being thrown, I did."
+</P>
+
+<P>
+As he said this Bob drew the thorn from his pocket, and held it before
+Frank, who took the vicious little thing in his hand.
+</P>
+
+<P>
+"I thought so," he muttered. "That's Peg's idea of getting even with
+us; the coward!"
+</P>
+
+<P>
+"But you don't mean to say Peg did that?" exclaimed Bob, astonished.
+</P>
+
+<P>
+"Well, not with his own hand. He wouldn't know how, you see; but he
+had a Mexican cowboy along with him who is up to all these
+tricks&mdash;Spanish Joe. When we were busy in that store, he crept up and
+fixed this thorn under your saddle. Of course, as soon as you sprang
+into your seat, your weight just drove one of these tough little points
+in deeper. And, as the horse jumped, every movement was so much more
+torture. Get onto it, Bob?"
+</P>
+
+<P>
+"Sure I do; and I guessed all that while riding back. But tell me, why
+did he pick out <I>my</I> horse, instead of your Buckskin?" asked the
+Kentucky boy.
+</P>
+
+<P>
+"Look back a little. Who was it gave Peg his little tumble when he was
+striking that child? Why, of course it was nobody but Bob Archer. I
+saw Peg standing on the porch of the tavern as I galloped after you;
+and give you my word, Bob, he had a grin on his face that looked as if
+it would never come off. Peg was happy&mdash;why? Because he had just seen
+you being carried like the wind out of town on a bolting nag. And I
+guess he wouldn't care very much if you got thrown, with some of your
+ribs broken in the bargain."
+</P>
+
+<P>
+Bob proceeded to tell how he had figured on what caused the queer
+antics of his horse, and then what his method for relieving the
+pressure had been.
+</P>
+
+<P>
+"Just what you should have done!" exclaimed Frank, enthusiastically.
+"Say, you're getting on to all the little wrinkles pretty fast. And it
+worked too, did it?"
+</P>
+
+<P>
+"Thanks to the smartness of Domino, it did," replied Bob, proudly.
+"Some other horses might have broken away as soon as their rider
+dismounted; but he's mighty near human, Frank, I tell you. He just
+stood there, quivering with excitement, and pain, till I got the thing
+off. But do you know what kind of thorn this is?"
+</P>
+
+<P>
+"I know it as well as you would a persimmon growing on a tree in Old
+Kentucky; or a pawpaw in the thicket. It's rank poison, too, and will
+breed trouble if the wound isn't taken care of in time.
+</P>
+
+<P>
+"That's bad news, old fellow. I'd sure hate to lose my horse,"
+remarked Bob, dejectedly, as he threw an arm lovingly over the neck of
+the black.
+</P>
+
+<P>
+"Oh! I don't think it'll be as bad as that; especially since I happen
+to have along with me in my pack some ointment old Hank Coombs gave me
+at a time I fell down on one of the same kind of stickers, and got it
+in my arm," and Frank opened the smaller of the two packs he had
+fastened behind his saddle.
+</P>
+
+<P>
+When the ointment was being thoroughly rubbed into the spot where the
+barb of the thorn had pierced the flesh of the animal, Domino seemed to
+understand what their object was. He gave several little whinnies,
+even as he moved uneasily when his master's hand touched the painful
+spot.
+</P>
+
+<P>
+"Now what's the programme?" asked Bob, after he had replaced the saddle.
+</P>
+
+<P>
+"Just what we decided on before," replied his chum; "a little rest
+before we make a start. Twenty-four hours will do Domino considerable
+good, too. How did you come out about the duffle you were carrying;
+any of it get lost?"
+</P>
+
+<P>
+"None that I've noticed. I'll make a round-up and see, before we go
+any further," Bob remarked, examining the packages secured behind his
+saddle.
+</P>
+
+<P>
+"How?" queried Frank, in the terse, Indian style, as he saw that the
+other had gone carefully over the entire outfit.
+</P>
+
+<P>
+"Everything here, right side up with care. And now I'll have to mount
+again, a thing that may not appeal very much to Domino. But it's lucky
+I long ago learned the jockey way of riding, with most of the weight
+upon the withers of the horse. In that manner you see, Frank, I can
+relieve the poor beast more than a little."
+</P>
+
+<P>
+Together they rode off slowly. Really, for one day it seemed that the
+big black must have had all the running his fancy could wish. Besides,
+neither of the boys knew of any reason for haste. As Frank had
+suggested, it would perhaps be just as well to allow a certain amount
+of time to elapse, before pushing their intended investigation of the
+mysteries supposed to hover around Thunder Mountain.
+</P>
+
+<P>
+The afternoon had almost half passed when Frank's sharp eyes discovered
+a single horseman riding on a course that would likely bring him across
+their trail soon.
+</P>
+
+<P>
+"Seems to me there's something familiar about that fellow's way of
+sitting in the saddle," he observed; and then, reaching for the field
+glasses which he carried swung in a case over his shoulder, he quickly
+adjusted them to his eyes. "Thought so," he muttered, and Bob could
+see him smile as he said it.
+</P>
+
+<P>
+"Recognize the rider, then? Don't tell me now that it's Peg, or one of
+those slippery cowboy friends he has trailing after him," remarked Bob.
+</P>
+
+<P>
+"Here, take the glasses, and see what you think," replied the other,
+laughingly.
+</P>
+
+<P>
+No sooner had the Kentucky lad taken a single good look than he called
+out:
+</P>
+
+<P>
+"Who but old Hank Coombs, the veteran cow puncher of the Southwest! I
+suppose your father has sent him on an errand, Frank."
+</P>
+
+<P>
+"Just as likely as not, because he trusts old Hank more than any man on
+the entire ranch. You can see he's headed in a line that will fetch up
+at the Circle Ranch by midnight, if he keeps galloping on. Look there,
+he sees us, and is waving his arm. Yes, he's changed his course so as
+to meet us, Bob."
+</P>
+
+<P>
+"But if we needed the glass to find out who he was, how does it come
+that an old man like Hank could tell that we were friends, at such a
+distance?" asked the young tenderfoot, always eager to learn.
+</P>
+
+<P>
+"Because his eyes are as good as ever they were. Some of these fellows
+who have lived in the open all their lives have eyes like an eagle's,
+and can tell objects that would look like moving dots to you. Let's
+swing around a bit, so as to keep old Hank from doing all the going."
+</P>
+
+<P>
+As he spoke Frank veered more to the left, and in this fashion they
+speedily drew near the advancing horseman. He proved to be a cowman in
+greasy chaps, and with many wrinkles on his weather-beaten face. But
+Hank Coombs was as spry as most men of half his age. He could still
+hold his place in a round-up; swing the rope in a dexterous manner;
+bring down his steer as cleverly as the next man; ride the most
+dangerous of bucking broncos; and fulfill his duties with exactness.
+Few men grow old on the plains. Most of them die in the harness; and a
+cowboy who has outlived his usefulness is difficult to find.
+</P>
+
+<P>
+The veteran eyed the additional packs back of the saddles of the two
+boys with suspicion in his eyes. He knew the venturesome nature of his
+employer's son; and doubtless immediately suspected that Frank might
+have some new, daring scheme in view, looking to showing his friend
+from the East the wonders of this grand country, where the distances
+were so great, the deserts so furiously hot, the mountains so lofty,
+and the prairies so picturesque.
+</P>
+
+<P>
+"Ain't headin' toward home, are ye, Frank?" was the first question Hank
+asked, as they all merged together, and rode slowly onward in company.
+</P>
+
+<P>
+"Oh! not thinking of such a thing, Hank," replied the boy. "Why, we
+only left the ranch yesterday, you know, and meant to be away several
+days, perhaps a week. But I'm glad we ran across your trail right now,
+Hank, because you can take a message to dad for me."
+</P>
+
+<P>
+"Glad to do that same, Frank," the veteran cowman replied, and then
+added: "but jest why are ye headin' this way, might I ask? It's a wild
+kentry ahead of ye, and thar be some people as don't think it's jest
+the safest place goin', what with the pesky cattle-rustler crowd as
+comes up over the Mexican border to give the ranchers trouble; and
+sometimes the Injuns off their reservation, with the young bucks primed
+for a scrap."
+</P>
+
+<P>
+"Is that all, Hank?" asked Frank, turning a smiling face upon the old
+rider. Hank moved uneasily, seeming to squirm in his saddle.
+</P>
+
+<P>
+"No, it ain't," he finally admitted, with a half grin; "that's Thunder
+Mounting about twenty mile ahead o' ye. None o' us fellers keers a
+heap 'bout headin' that-a-way. Twice I've been 'bliged to explore the
+canyons thar, arter lost cattle; but I never did hanker 'bout the job.
+It's a good place to keep away from, Frank."
+</P>
+
+<P>
+"You don't say, Hank!" chuckled the boy. "Too bad; but you see that's
+just the very place we expect to head for to-morrow&mdash;Thunder Mountain!"
+</P>
+
+<P>
+The old man looked closely at him, and shook his head.
+</P>
+
+<P>
+"I don't like to hear ye say that, Frank," he muttered, uneasily; "an'
+I kinder reckons as how yer father'll feel oneasy when I tell him what
+yer up to. 'Cause, I opine, ye wants me to carry thet same news back
+home; don't ye?"
+</P>
+
+<P>
+"Sure," answered the other, laughing. "That's what I meant when I said
+I was glad we'd met up with you, Hank."
+</P>
+
+<P>
+"But ye didn't expect to take a turn thar when ye left home, did ye?"
+the veteran cowman went on.
+</P>
+
+<P>
+"Never entered my head, Hank. Fact is, we weren't thinking of Thunder
+Mountain up to an hour or two ago, when we ran across Peg Grant, who
+was in town with his two followers, Spanish Joe and Nick Jennings."
+</P>
+
+<P>
+"The wust as ever throwed a leg over leather," muttered Hank, between
+his teeth. "We been talkin' it over, some o' us boys, an' 'bout kim to
+the conclusion as how them fellers must be in touch with the Mendoza
+crowd o' rustlers as draps over the Rio Grande every leetle while, to
+grab a bunch o' long horns."
+</P>
+
+<P>
+"My opinion exactly, Hank," went on Frank. "But listen till I tell you
+what they are thinking of doing about finding out the secret of Thunder
+Mountain."
+</P>
+
+<P>
+Quickly he related the incident of their meeting Peg, and of his boast.
+</P>
+
+<P>
+"They'll never do it, mark me," declared Hank, after he had been put in
+possession of the main facts. "Thet noise ain't human! I been
+a-hearin' it for the last forty years, an' I give ye my word it's
+gittin' wuss right along. The reds believe as how it's the voice of
+the Great Spirit talkin' to 'em. An' honest now, Frank, thems my
+sentiments to a dot."
+</P>
+
+<P>
+"In other words, Hank, you believe the mountain is haunted, and that
+anyone bold enough to wander into the unknown country that lies back
+there is going to get into a peck of trouble?" Frank asked, seriously.
+</P>
+
+<P>
+"Reckon as how that kivers the ground purty well," replied the cowman,
+grimly.
+</P>
+
+<P>
+"Well," Frank went on, "we happen to believe something different, and
+we mean to look into the thing a bit. It wouldn't surprise me to find
+that some sharp crowd has been taking advantage of the bad name Thunder
+Mountain has always had, to hide among those canyons. And, Hank, I'm
+going to look for the trail of some cattle while I'm there!"
+</P>
+
+<P>
+"Which I take it to mean," Hank continued thoughtfully, "that you
+kinder think them rustlers might be usin' the ha'nted mounting for a
+hiding place to keep the cows which they run away with? Um! wa'al now,
+I never thort o' that afore. But stands to reason no Mexicans'd ever
+have the nerve to go whar white cowmen kept away from."
+</P>
+
+<P>
+"Not unless they had solved the strange mystery of the mountain, and no
+longer saw any reason to be afraid of the thunder. But listen while I
+tell you something else that happened to my friend here."
+</P>
+
+<P>
+Frank then described the sudden bolt of Domino. At his first words the
+experienced western man looked wise. He had immediately guessed what
+caused the unexpected action of the usually tractable black horse.
+</P>
+
+<P>
+"As low down a trick as was ever carried out," he remarked, finally, as
+he looked at the thorn. "And jest sech as thet sneakin' coyote,
+Spanish Joe, would be guilty of tryin'. I've seen it done more'n a few
+times; and twict the critter was rounded up, and treated like he'd been
+a hoss thief; 'case ye see, in each case 'twar a woman as rid the
+animile as got the thorn. But ye must let me rub somethin' on thet
+wound right away, Bob."
+</P>
+
+<P>
+"Don't bother," sang out Frank, cheerfully; "because we happened to
+have with us that ointment you gave me, and I used it a while ago.
+I'll put on more to-night when we get the saddles off, and once again
+in the morning."
+</P>
+
+<P>
+"Then ye mean to go into camp soon?" inquired Hank.
+</P>
+
+<P>
+"See that timber over yonder, where a stream runs? We'll settle down
+for the night there. Better hold over with us, Hank, unless you're in
+a terrible hurry to get back home," Frank observed.
+</P>
+
+<P>
+"I'd like to fust rate, Frank; and p'raps thar aint no sech great need
+o' gittin' back to the ranch to-night. Yes, I'll hang over. P'raps I
+kin coax ye to give up that crazy ijee 'bout Thunder Mounting."
+</P>
+
+<P>
+And when they had settled down under the trees, with the westering sun
+sinking toward the horizon where, in the far distance, Frank pointed
+out to his chum the towering peak toward which they were bound, old
+Hank did try to influence his employer's son into giving up his
+intended trip.
+</P>
+
+<P>
+It was useless, however. Frank had made up his mind, and obstacles
+only served to cause him to shut his teeth more firmly together and
+stick to his resolution. And so they spent the night very comfortably,
+under the twinkling stars.
+</P>
+
+<P>
+"Tell dad not to worry about us at all, Hank," Frank said to the
+veteran, on the following morning, as they were bidding him good-bye.
+"We'll turn up all right in the course of a few days. And perhaps, who
+knows, we might be able to tell you all about the queer noise that
+shakes the earth every little while around the big uplift. So-long,
+Hank!"
+</P>
+
+<P>
+The old cowman sat in his saddle, and looked after the two boys as
+their horses went prancing away, each of the riders turning once or
+twice to wave a jolly farewell, with uplifted hats.
+</P>
+
+<P>
+"As fine a pair o' happy-go-lucky boys as ever drawed breath," Hank
+muttered, as his eyes followed their vanishing forms beyond the
+mesquite thicket. "But I sure feel bad 'bout them goin' into that 'ere
+Thunder Mounting territory. I hopes Mr. Haywood'll start out with a
+bunch o' cowmen to round 'em up. But he thinks that Frank kin hold his
+own, no matter what comes along. If he don't show signs o' bein'
+worried, I'm goin' to see if the overseer, Bart Heminway, won't take
+the chances of sendin' several of us out to hunt for strays; an' it'll
+be funny now, how them mavericks all run toward Thunder Mounting."
+</P>
+
+<P>
+Chuckling, as if the new idea that had appealed to him gave him
+considerable satisfaction, the old cow-puncher stirred his little
+bronco into action, and was soon galloping away. But, more than a few
+times, he might have been observed to turn in his saddle and cast a
+look of curiosity, bordering on apprehension, toward the dimly-seen
+mountain that arose far away on the Southwestern horizon.
+</P>
+
+<P>
+For to Hank Coombs that peak stood for everything in the line of
+mystery and unexplained doings.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap04"></A>
+<H3 ALIGN="center">
+CHAPTER IV
+</H3>
+
+<H3 ALIGN="center">
+A NOTE OF WARNING AT THE SPRING HOLE
+</H3>
+
+
+<P>
+"Pull up, Bob; I sure glimpsed something moving, out there in the sage
+brush!"
+</P>
+
+<P>
+Both horses came to an immediate stop as the bridles were drawn taut.
+</P>
+
+<P>
+"Which way, Frank?" asked the Kentucky lad, eagerly, as he threw back
+his shock of black hair, and waited to see where the finger of his
+companion would point.
+</P>
+
+<P>
+"Whatever it was disappeared behind that spur of the low foot hills
+yonder. I just caught a peep of the last of it. Here, Bob, take the
+glasses, and wait to see if it shows up again on the other side of the
+rise," and Frank thrust the binoculars into the hand of his chum.
+</P>
+
+<P>
+"Think it could have been a prowling coyote; or perhaps a bunch of
+antelope feeding on the sweet grass around some spring hole, as you
+were telling me they do?" asked Bob, holding himself in readiness.
+</P>
+
+<P>
+"Well," returned Frank, quickly, "the sun was in my eyes some, you see,
+and so I wouldn't like to be too sure; but somehow, Bob, I just have a
+notion that it was a horse."
+</P>
+
+<P>
+"With a rider on it, of course!" exclaimed the other lad, as he raised
+the glasses to his eyes, training them on the further end of the squat
+elevation that stood up in the midst of the sage level like a great
+hump on a camel.
+</P>
+
+<P>
+"There, looks like I was right, Bob!" ejaculated Frank, a minute or so
+later, as something came out from behind the low hill, moving steadily
+onward.
+</P>
+
+<P>
+"Indians! as sure as anything!" fell from the lips of the one who held
+the field glasses to his eyes.
+</P>
+
+<P>
+"One&mdash;two&mdash;three&mdash;a heap of the reds in that bunch, I reckon," muttered
+Frank, watching with his naked eye; although the distance, separating
+them from the spot where the figures were passing steadily into view,
+was considerable.
+</P>
+
+<P>
+"Say, these glasses are jim-dandy ones, all right!" remarked Bob,
+presently, as he turned to offer them to his chum, who immediately
+clapped them to his own eyes.
+</P>
+
+<P>
+"Huh!" grunted Frank a moment later, "squaws along; each cayuse
+dragging poles on which they heap their lodges, blankets and such;
+reckon there's no war party about that, Bob."
+</P>
+
+<P>
+"I should think not, if what you've told me about the Indians is a
+fact, Frank. But look here, what d'ye suppose they're doing so far
+away from their reservation?" and Bob gripped his quirt, which hung, as
+usual, from his wrist, in cowboy fashion; and with a nervous slash cut
+off the tops of the rattlesnake weed within reach.
+</P>
+
+<P>
+"That's where you've got me, Bob," replied the one who had been brought
+up on a ranch, and who was supposed to know considerable about the life
+of the plains; "unless they've just got desperate for a good old hunt,
+and broke loose. Pretty soon the pony soldiers will come galloping
+along, round 'em up, and chase the lot back to their quarters. Uncle
+Sam is kind, and winks at a heap; but he won't stand for the Injuns
+skipping out just when the notion takes 'em."
+</P>
+
+<P>
+They sat there in their saddles a while longer, watching the long
+procession pass out beyond the low hill, and track along the plain
+through the scented purple sage.
+</P>
+
+<P>
+"Navajos, ain't they?" asked Bob, who, of course, depended on his
+comrade for all such information, since one Indian was as much like
+another as two peas to him.
+</P>
+
+<P>
+"Sure thing," replied the other, carelessly. "Tell 'em as far as I can
+glimpse the beggars. And I just reckon now that's old Wolf Killer
+himself, ridin' at the head of the line, with his gay blanket wrapped
+around him. Wonder what he'd say if he knew Frank Haywood was here, so
+far away from the home ranch?" and Frank chuckled as though amused.
+</P>
+
+<P>
+"Do you know the old chief, then?" asked Bob.
+</P>
+
+<P>
+"Say, do I?" replied Frank, with a laugh. "Remember me telling you how
+the boys on our place caught a Navajo trying to run away with one of
+our saddle herds about three years ago, when I was hardly more'n a kid?
+Well, I chased him with the rest of the outfit, and saw old Hank throw
+his rope over his shoulders. He snaked the fellow over the ground and
+through the short buffalo grass like a coyote, 'till he was punished
+enough; and then my dad made 'em let him go. But you just ought to
+have seen the way he folded his arms, stared at each of us, and, never
+saying a single word, walked away. I've often wondered if he didn't
+mean to come back some day, and try to get his revenge."
+</P>
+
+<P>
+"And that was the chief himself?" asked Bob.
+</P>
+
+<P>
+"Just who it was," Frank went on. "He'd left the reservation, and got
+too much fire-water aboard, they said; so he thought the good old days
+had come back, when a Navajo always tried to get away with any horses
+he ran across. They say Wolf Killer used to rustle cattle long ago,
+till Uncle Sam put his hand down heavy on his tribe, and shut the lot
+up."
+</P>
+
+<P>
+"Then, if he has reason to remember everybody connected with Circle
+Ranch in that way, I reckon it's just as well we don't try to let him
+know we're here," remarked Bob, uneasily. "We didn't come out on this
+little picnic for trouble with the reds. There they go, pushing
+through the sage brush, Frank. So-long, Navajo, and good luck to you
+on your hunt," waving a hand after the departing string of distant
+figures.
+</P>
+
+<P>
+"Our way lies yonder, along the foot of the mountains," said Frank, as
+he turned his head to look toward the grim range that stood out boldly
+against the skyline.
+</P>
+
+<P>
+"Yes," observed his companion, as he allowed his black horse his head,
+once more advancing in a Southerly direction, "and, unless all signs
+fail, that's Thunder Mountain towering above the rest of the peaks."
+</P>
+
+<P>
+"You're right, Bob, that's what it is; and we're going to camp at its
+foot unless something goes wrong," and as he spoke Frank urged Buckskin
+on again.
+</P>
+
+<P>
+The yellow bronco was a true range pony. He had been taught many of
+the clever tricks for which his kind are noted. A stranger would have
+had a hard time keeping his seat on the back of the animal, such was
+his dislike for unknown parties. He could dance almost as well as a
+circus horse; and when Frank had tended the saddle herd at night, as
+horse-wrangler, he was accustomed to depend on Buckskin to give ample
+warning of trouble, whether in the shape of a storm, a threatened
+stampede, or the presence of cattle-rustlers.
+</P>
+
+<P>
+Both boys were, of course, dressed pretty much as cowboys are when on
+the ranch; leather "chaps" covering their corduroy trousers; with boots
+that mounted spurs; flannel shirts; red handkerchiefs knotted around
+their necks; and with their heads topped by felt hats, such as the men
+of the range delight in.
+</P>
+
+<P>
+Slung to their saddles were a couple of up-to-date guns of the
+repeating type, which both lads knew how to use at least fairly well.
+Of course both carried lariats slung from the pommels of their high
+Mexican saddles. Frank was accustomed to throwing a rope; while Bob,
+naturally, had much to learn in this particular.
+</P>
+
+<P>
+"Say," remarked the latter, who had fallen a trifle behind his comrade,
+"to see the way we're just loaded down with stuff makes me think of
+moving day in the old Kentucky mountains. But no use talking, if a
+fellow wants to be half way comfortable, he's just got to lug all sorts
+of traps along."
+</P>
+
+<P>
+"That's right, Bob," assented the other, laughing. "And that applies
+in an extra way when he means to be out in the Rockies for perhaps a
+week."
+</P>
+
+<P>
+"No telling what he may run up against there, eh?" queried Bob.
+</P>
+
+<P>
+"Well, if it isn't a grizzly, it may be an avalanche, or a
+cloud-burst," remarked the boy who had spent his whole life in the open.
+</P>
+
+<P>
+"Not to speak of Indians, or Mexican rustlers looking for a chance to
+drop down on some peaceful ranch, and carry off a bunch of long horns;
+eh, Frank?"
+</P>
+
+<P>
+"Sure; and a lot more besides, Bob," was the reply. "But the sun's
+getting kind of low, you notice."
+</P>
+
+<P>
+"In other words, we'd better be looking around for a place to camp,
+Frank?"
+</P>
+
+<P>
+"You've hit the nail on the head," the other replied. "Suppose we hold
+up here for a bit, and let me take another squint up yonder through the
+glass."
+</P>
+
+<P>
+"Meaning at old Thunder Mountain?" observed Bob, as his eye traveled
+upward toward the bare crown of the great uplift, that had so long
+remained a source of mystery to the entire community.
+</P>
+
+<P>
+"Yes. Just look at the pinons growing up the sides like tufts, along
+with the funny looking clumps of stunted cedars. Then you can see the
+aspens and silver spruce next. And over the whole outfit is a silence
+that beats the desert itself. Whew! the closer you examine the place
+the more it impresses you."
+</P>
+
+<P>
+Bob accepted the glasses after Frank had used them and focussed them on
+the slope.
+</P>
+
+<P>
+"So that's old Thunder Mountain, is it?" he remarked. "Well, I must
+say it shows up right well. I've tried to picture the place from all
+we've heard."
+</P>
+
+<P>
+"But you don't feel disappointed, do you?" asked Frank.
+</P>
+
+<P>
+"Not a bit, Frank," his companion continued. "I've seen some
+mountains, even before I came out here to your Rockies; but there's
+something about this thing that just staggers a fellow. Wow! but we'll
+sure have our troubles climbing that wild slope."
+</P>
+
+<P>
+"Never could make it if it wasn't for the canyons," Frank added. "They
+all tell me that. Here, let me put the field-glasses away. Half an
+hour's gallop, and we'll jump off. That ought to bring us to the foot
+of the slope. Here you go, Buckskin; show us you're not tired after
+your day's run. Whoop-la!"
+</P>
+
+<P>
+Frank brought his hat down on the flank of the horse, accompanying the
+action with a real cowboy yell. Instantly the spirited steed bounded
+off, with Bob's Domino close behind, snorting, and giving signs of
+astonishing animation.
+</P>
+
+<P>
+So they sped along, with clanking sounds from the various packages
+fastened behind the saddles; but after a few minutes both boys
+gradually drew upon the lines, knowing full well that their mounts had
+done a fair day's work already; and, besides, there was no possible
+need of haste.
+</P>
+
+<P>
+"How's this for a camping place?" asked Frank, as he suddenly brought
+Buckskin upon his haunches in a quick stop.
+</P>
+
+<P>
+"Suits me first rate," replied his chum, after giving a glance around.
+"Let's see if I remember all you told me about what a fellow has to
+look for when he expects to go into camp. Water handy, grass for the
+horses, wood for a fire, and shelter from a hidden mountain storm.
+What better could we ask, I'd like to know? Is it a go, Frank?"
+</P>
+
+<P>
+For answer the shorter lad jumped from his seat. His first act was to
+remove the saddle, and then, with a handful of dead grass, rub the
+sweaty back of the mettlesome animal, as every true son of the plains
+always does before he thinks of his own comfort.
+</P>
+
+<P>
+Next he hobbled the animal, and drove the stake pin, to which the
+lariat was attached, deeply into the ground. After that the bridle
+came off; and Buckskin's first natural act was to drop to the ground,
+and roll over several times.
+</P>
+
+<P>
+Bob was following this procedure with Domino. The intelligent animals
+seemed to understand just what the programme was to be; for after
+rolling, they walked down to the little watercourse to slake their
+thirst; and then set about eagerly nibbling the sweet grass that grew
+all around.
+</P>
+
+<P>
+The two chums went about preparing to spend a night under the bright
+stars, with a readiness that told of long practice. Bob, of course,
+knew less than his companion about such things, but Frank had often
+accompanied the cowboys on his father's ranch on their expeditions, and
+had even spent nights in the company of old Hank, when off on a hunt
+for fresh meat; so that he knew pretty well what ought to be done to
+add to their comfort.
+</P>
+
+<P>
+It pleased him to show Bob some of the things he had learned. There
+might be no real reason why he should start a cooking fire in a hole he
+dug, rather than make a roaring blaze that could be seen a mile away;
+but Bob was tremendously interested, and would never forget all that he
+learned.
+</P>
+
+<P>
+"Besides," Frank explained, after he had the small fire started, "it is
+easier for cooking, once you get a bed of red ashes; because in this
+warm country a fellow doesn't much like to get all heated up, standing
+over a big blaze."
+</P>
+
+<P>
+Bob had, meanwhile, opened some of the bundles. One of these contained
+a small coffee pot, as well as the frying pan without which camping
+would be a failure in the minds of most Western boys.
+</P>
+
+<P>
+"Look out for rattlers," advised Frank, as his chum went to the spring
+hole to fill the coffee pot. "They often come to such places in dry
+season We haven't had rain for so long now, that, when it does come, I
+expect a regular cloud-burst. That's often the way in this queer
+country, along the foothills of the Rockies."
+</P>
+
+<P>
+Hardly had he spoken than there sounded a sudden and angry whirr,
+similar to the noise made by a locust, and which Frank knew only too
+well meant a rattlesnake!
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap05"></A>
+<H3 ALIGN="center">
+CHAPTER V
+</H3>
+
+<H3 ALIGN="center">
+THE VOICE OF THE MOUNTAIN
+</H3>
+
+
+<P>
+"Hey! take care there, Bob!" shouted Frank, starting up from beside his
+little cooking fire in something of a panic; for that alarm signal is
+apt to send the blood bounding through the veins like mad, whenever
+heard.
+</P>
+
+<P>
+"Don't bother!" came the reassuring reply of the unseen Bob, from a
+point near by; "I think I've got the beggar located, all right. Say,
+don't he sing though, to beat all creation? He's mad clean through,
+all right. I'm looking for a stick, so as to knock him on the head."
+</P>
+
+<P>
+"Go slow, and keep your eye out for a second one," advised Frank,
+uneasily; "because they generally hunt in couples. That isn't a measly
+little prairie rattler either; but a fellow that's come down from
+Thunder Mountain."
+</P>
+
+<P>
+"Nice warm reception for visitors, I should remark," laughed Bob,
+immediately adding: "there, I've found just the stick I want. Now, old
+chap, look out for yourself! I'm going to have that rattle of yours to
+take home, unless you give me the slip."
+</P>
+
+<P>
+"No danger of that," remarked Frank; "because a rattler seldom runs
+away, once he shakes his old box, and gives warning. Hit him just back
+of the head, and let it be a good smart blow too, so that you break his
+neck."
+</P>
+
+<P>
+Then came a swishing sound, twice repeated. The thrilling rattle
+immediately subsided.
+</P>
+
+<P>
+"Get him?" demanded Frank, ready to take up his task once more, upon
+receiving a favorable reply from his friend.
+</P>
+
+<P>
+"He's squirming some, but helpless," returned Bob, composedly. "I'll
+cut his head off, so that he can't turn around and jab me while I'm
+getting that rattle box of his."
+</P>
+
+<P>
+Two minutes later he came back into camp, carrying the coffee pot,
+which he proceeded to place upon the fire Frank had started. The
+latter noticed that his chum was trembling a little, and could give a
+shrewd guess that Bob had been more startled than he had thus far
+admitted.
+</P>
+
+<P>
+"Perhaps I'll get used to it in time," Bob remarked, presently; "but it
+sure does give a fellow a nasty shock to hear that sound burst out
+close by your feet, knowing as you do what a bite from those fangs
+means."
+</P>
+
+<P>
+"Then it was a narrow squeak, was it?" asked Frank.
+</P>
+
+<P>
+"I guess I never want to be closer to a diamond-back than that," Bob
+admitted, with a shake of his head.
+</P>
+
+<P>
+Soon a delightful aroma began to steal through the air in the immediate
+vicinity of the little camp near the foot of the towering, mysterious
+mountain; as some bacon sizzled in the pan, and the crushed berry from
+Java boiled and bubbled most cheerily.
+</P>
+
+<P>
+Besides, upon some splinters of wood Frank had thrust small pieces of
+venison, the last fresh meat they had brought from the ranch. As the
+heat from the red coals began to turn these to a crisp brown, Bob
+sniffed the added fragrance in the air after the manner of a hungry
+range-rider, or a boy with a healthy appetite.
+</P>
+
+<P>
+"Seems to be plenty of game around here," he remarked. "I jumped two
+rabbits near the spring, and they went up the rise, as usual."
+</P>
+
+<P>
+"Yes," remarked the cook, "the place looks good for game, and you'd
+wonder why those Injuns passed it by, only I happen to know. Ten to
+one there's a deer in that thicket of wild plum over there. And you
+can just believe an old grizzly wouldn't want a better hang-out than up
+yonder among the cliffs and crags of the mountain side."
+</P>
+
+<P>
+"But to return to our mutton, which after all is antelope meat, when do
+we start operations? I'm nearly wild, with all these smells, and never
+a bite. The water just drips from my tongue, I give you my word,
+Frank."
+</P>
+
+<P>
+For answer the other picked up the coffee pot, and set it aside for a
+minute, to let the contents settle.
+</P>
+
+<P>
+"Grub's ready, Bob," he said, laughingly; "and I reckon we'll not
+bother banging on the frying pan with a big spoon to-night, range
+fashion. Sit down, and get your pannikin ready for some of this bacon
+and meat. How does that coffee look?"
+</P>
+
+<P>
+"Say, it's got the color, all right, and if it only tastes half as fine
+as it looks you'll hear no kick coming from me," replied Bob, as he
+poured his tin cup full of the liquid.
+</P>
+
+<P>
+As the boys ate they chatted on various topics, most of which talk had
+of course some connection with the big cattle ranch they had so
+recently left.
+</P>
+
+<P>
+"I'd give a heap to know if Peg Grant meant business when he said we
+were riding to a fall if we thought we were the only pebbles on the
+beach," Bob remarked.
+</P>
+
+<P>
+"Oh!" replied Frank, "I reckon he's going to make a try to solve that
+Thunder Mountain puzzle. But just think of a tenderfoot like Peg let
+loose on that fierce slope up yonder; will you?"
+</P>
+
+<P>
+"Perhaps he's here already," suggested Bob.
+</P>
+
+<P>
+"Wouldn't be one bit surprised," Frank continued, readily enough, as
+though he considered that a foregone conclusion anyway. "He and his
+cronies had time enough, unless Peg changed his mind. He might be
+wondering what happened to you, and thinking how the X-bar-X ranch
+would be safer, in case some of our boys chased after him to give him
+the tar and feathers he deserves for playing such a mean trick."
+</P>
+
+<P>
+"But supposing they did come," said Bob; "Peg and Spanish Joe, and that
+other treacherous cowboy you told me about; we're pretty apt to meet up
+with them if we go prowling around here for the next few days."
+</P>
+
+<P>
+"Just so, and we'll try to mind our business all the time," remarked
+Frank; and then his eyes flashed a little as he continued: "but if they
+try any of their ugly little tricks on us, Bob, they're likely to get
+hurt."
+</P>
+
+<P>
+"I'm with you there, Frank," the other added, shutting his teeth in a
+determined way. "I can stand a certain amount of fun, and, I hope,
+take it the right way. Your cow punchers said that when they hazed me,
+you know. But I certainly do object to any such rough-house business
+as fastening a poisoned thorn under a fellow's saddle."
+</P>
+
+<P>
+"That game has cost more than a few people their lives," Frank declared
+vehemently. "Cowmen draw the line at it. You noticed how angry old
+Hank became when he heard about that same thing. But your horse seems
+to be getting on all right, Bob."
+</P>
+
+<P>
+"Sure he does. That ointment made by old Hank's like magic. Domino
+won't suffer much from that jab. But that was a bully good supper all
+right, and I don't care how soon we repeat it," he concluded with a
+laugh.
+</P>
+
+<P>
+Finally both lads lay down to secure such rest as they needed after a
+long and tiresome day.
+</P>
+
+<P>
+The drowsy chirp of crickets, and shrill voices of katydids in the lush
+grass near by, told of the summer night. Many times had Frank listened
+to this same chorus as he lay in his blanket on the open prairie,
+playing the part of night-wrangler to the herd of saddle horses
+belonging to the round-up party of cow-punchers.
+</P>
+
+<P>
+He could hear some lurking rabbit slinking through the hazel bushes
+over at one side. Somewhere off on the level, where the sage grew so
+heavily, there must have been a prairie dog village; for the sound of
+the peculiar barking of these queer little animals frequently floated
+to his ears as the breeze changed.
+</P>
+
+<P>
+The two horses were still feeding at the time Frank dropped off into a
+sound and refreshing sleep, but doubtless they would soon lie down.
+Bob was already breathing heavily, which would indicate that he had
+passed beyond the open door to slumber-land.
+</P>
+
+<P>
+The minutes passed, and several hours must have gone.
+</P>
+
+<P>
+Frank was dreaming of the excitement attending some of the many dashing
+gallops he had lately enjoyed in company with his chum, looking up
+stray cattle, helping to brand mavericks, watching the cowmen mill
+stampeding herds, or chasing fleet-footed antelopes just to give the
+horses a run.
+</P>
+
+<P>
+He was suddenly aroused by a strange sound that seemed to cause the
+very earth under him to tremble. The trample of a thousand hoofs would
+make such a noise; if one of those old-time mighty herds of bison could
+have come back to earth again; or a stampede of an immense herd of
+long-horns might cause a similar vibration.
+</P>
+
+<P>
+But Frank Haywood knew that neither of these explanations could be the
+true one, even as he thus sat upright on his blanket to listen. The
+ominous, growling, grumbling noise was more in the nature of
+approaching thunder, just as though one of those furious summer storms,
+tropical in their nature, and often encountered in this country where
+plains and mountains sharply meet, had crept upon them as they calmly
+slept.
+</P>
+
+<P>
+And yet, strange to say, neither of the two boys jumped quickly to
+their feet in wild dismay, seeking to prepare for the rain that might
+soon burst upon them. On the contrary they continued to sit there,
+straining their ears to catch the rumbling reverberations that kept
+coming, with little respites between.
+</P>
+
+<P>
+"Say, now, what d'ye think of that, Bob?" asked Frank, when silence
+again held sway for a brief period. "Nary a cloud as big as your hand
+in the sky; and yet all that grumbling oozing out of old Thunder
+Mountain! Looks like we might have the biggest job of our lives
+finding out the secret of that pile of rocks. There she starts in
+again, harder than ever. Listen, Bob, for all you're worth!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap06"></A>
+<H3 ALIGN="center">
+CHAPTER VI
+</H3>
+
+<H3 ALIGN="center">
+A SECOND ALARM
+</H3>
+
+
+<P>
+"It's stopped again!" remarked Bob, after possibly five minutes had
+passed, during which time the ominous rumbling, accompanied by earth
+tremors, had kept up, now rising to a furious stage, and then almost
+dying away.
+</P>
+
+<P>
+Frank gave a big sigh.
+</P>
+
+<P>
+"It sure has," he admitted; "and I don't wonder now, after I've heard
+the racket with my own ears, that the reds for a hundred years back
+have always declared the Great Manitou lived in Thunder Mountain, and
+every little while let them hear his awful voice."
+</P>
+
+<P>
+"Then this thing has been going on forever, has it?" asked Bob.
+</P>
+
+<P>
+"The Navajos say so; though even they admit that, of late, it's got a
+brand new kink to the growl," Frank answered. "They believe it's sure
+unlucky for any brave to be caught near the mountain after dark, and
+especially when Manitou scolds. You see, that accounts for the hurry
+of that hunting party to climb out before sunset."
+</P>
+
+<P>
+"Yes," Bob went on. "And now I understand what you said about the
+Indians never hunting near Thunder Mountain. Perhaps they believe all
+the game that hides along the slopes, and in the deep gullies, belongs
+to the Great Spirit, and that he'll punish any warrior bold enough to
+try and get a line on it. But see here, Frank, do white men&mdash;cowboys,
+prospectors, and the like&mdash;believe this mountain is haunted?"
+</P>
+
+<P>
+"Heaps of 'em do, and that's a fact," replied the other, chuckling.
+"I've heard some of our cowpunchers talking about it more'n a few
+times; and you remember how old Hank took it when we told him what we
+had in mind?"
+</P>
+
+<P>
+"They're a superstitious lot, as a whole, I take it," Bob ventured.
+"Now, as for me, I never could believe in ghosts and all that sort of
+thing. If there ever came a time when something faced me that I
+couldn't understand, I just set my teeth together and vowed I'd never
+rest easy till I had found out what it meant."
+</P>
+
+<P>
+"Same here, Bob; and that's why I just jumped at the chance to beat Peg
+out in his game. The funny part about it is why I never thought of
+this racket before. But perhaps that was because I didn't have a chum
+to stand back of me."
+</P>
+
+<P>
+"None of the boys on the ranch would go with you, then?" asked Bob.
+</P>
+
+<P>
+"I should say not! Even old Hank would balk at that, and he's never
+been afraid of thing that flies, runs or crawls. It was old Hank who
+taught me all I know about range life. He showed me how to shoot,
+throw a rope, and do heaps of other things a prairie boy ought to know.
+Hank thinks lots of me, and honest now, Bob, that gruff old fellow
+would willingly lay down his life for me."
+</P>
+
+<P>
+"I reckon he would," assented the other, readily enough.
+</P>
+
+<P>
+"But Hank's a rank believer in the Injun story of the mountain, and
+would never come here of his own accord; but to keep an eye on me, and,
+stand between me and danger, he'd just crawl down the crater of a live
+volcano."
+</P>
+
+<P>
+"Seems like the show might be over for tonight," Bob suggested.
+</P>
+
+<P>
+"The row has stopped, sure enough," Frank remarked, looking up at the
+dimly-seen outlines of the far-away crest of the rocky elevation, where
+it stood out against the starry heavens.
+</P>
+
+<P>
+"You don't believe, then, that there could have been some kind of storm
+up there; do you?" questioned Bob.
+</P>
+
+<P>
+"Well, it's sure a great puzzle," replied his chum, with a long breath.
+"My eyes are reckoned prime, but I can't glimpse any sign of a cloud
+that would bring out all that noise. A mystery it's been these many
+years; and if so be we can learn the cause for all that queer roaring
+that shakes the earth, we'll be doing more'n anyone else has ever done
+in the past."
+</P>
+
+<P>
+"That's what we're here for, if Peg gives us half a chance," remarked
+Bob, with the healthy assurance of youth. "And as neither of us takes
+any stock in the fairy story about the Manitou's anger, we ought to
+stand some chance of locating the thing; or 'bust the b'iler trying' as
+old Hank would say."
+</P>
+
+<P>
+Frank had crawled out of his blanket, and stood erect.
+</P>
+
+<P>
+"What's on?" asked his camp-mate, presently, noticing that he was
+holding up his hand, after wetting his finger, a method much in vogue
+when one wished to learn the direction of the passing air currents.
+</P>
+
+<P>
+"Southeast; and blowing strong a bit ago up there on the mountain, I
+reckon," Frank remarked. "You notice we happen to be sheltered more or
+less down here, when she comes out of that same quarter?"
+</P>
+
+<P>
+"Meaning the wind," Bob remarked. "Yes, you're right, Frank. But what
+has that got to do with the measly old grumble of the mountain, tell
+me?"
+</P>
+
+<P>
+"Huh! I don't know that it's going to have anything to do with it,"
+came the answer; "but we want to know every little point as we go on.
+And Bob, just remember that the wind was coming out of the Southeast;
+and a clear sky overhead!"
+</P>
+
+<P>
+"But look here, Frank, you've heard your dad talk about this Thunder
+Mountain business, I take it?"
+</P>
+
+<P>
+"Well, now, I reckon I have, heaps of times; but then you know, he
+isn't much on bothering about things that don't concern him. Thinks
+he's got his hands full, looking after the stock, keeping tabs on the
+doings of those rascally Mexican rustlers, that have been running off
+batches of cattle every little while; and fighting that big syndicate
+of Eastern capitalists, headed by the millionaire, Mr. Grant, Peg's
+father, that wants to throw all the Southwestern ranches into a close
+trust."
+</P>
+
+<P>
+"But what I wanted to remark is this: you must have heard him give an
+opinion about this thunder sound?" Bob persisted in saying.
+</P>
+
+<P>
+"Oh! he thinks the same as several gentlemen did who came out here a
+few years ago on some business. They declared that once, hundreds of
+years ago, perhaps, old Thunder Mountain must have been a volcano; and
+that it still grumbles now and then, as the fires away down in the
+earth begin to kick up some of their old monkeyshines."
+</P>
+
+<P>
+"Yes, I heard one man say that," laughed Bob. "He declared that
+there's going to be the biggest rumpus some fine day, when the fires
+inside get to going out of bounds. Then the whole cap of the mountain
+will go flying into a million pieces; and good-bye to any unlucky
+cow-puncher caught napping near this place."
+</P>
+
+<P>
+"Well," remarked Frank, as he prepared to settle down again into his
+snug blanket, "I reckon we're not going to be scared away by a little
+thing like that growl. Unless we hit a snag, or Peg Grant and his
+guides break up our game, a few days ought to see us heading back to
+Circle Ranch with a story calculated to make the boys sit up and take
+notice; or else&mdash;&mdash;"
+</P>
+
+<P>
+"Just pull up right there, Frank," interrupted his chum, with a laugh.
+"There's nothing going to happen to knock us out. If that same Peg
+comes around, making a nuisance of himself, why, he's due for a nice
+little surprise, mark me. Besides that; what could there be to make
+trouble?"
+</P>
+
+<P>
+"Oh, I'm not bothering my head over it, Bob," declared the other, as he
+dropped into the nest he had made in his blanket. "But say, did you
+take notice of the way our horses acted while that thing was going on?"
+</P>
+
+<P>
+"Just what I did," the other replied. "They must have been trembling
+all over. I could hear your Buckskin snorting to beat the band, and
+pawing just like he does when he's worried. Reckon they didn't know
+what to make of it, either, seeing that there's nary a sign of a storm
+cloud around. But both horses have quieted down again. They think all
+danger of a howler has passed away."
+</P>
+
+<P>
+Frank made no reply. He was already getting ready to resume his
+interrupted nap; and Bob lost no time in following his example, both
+confident that in the alert Buckskin they had a sentry capable of
+giving ample warning should peril threaten.
+</P>
+
+<P>
+Once more Frank composed himself for sleep. The many noises of the
+night, which had seemed to cease while that mysterious rumbling was
+going on in the heart of the lofty mountain, had again resumed sway.
+The hum of insects; the melancholy hooting of the lonely owl, in some
+willow or cottonwood tree near the base of the mountain; the far-off
+howl of the prairie wolf; or the more discordant voice of the skulking
+coyote&mdash;all these things were as familiar music in the ears of the boy
+whose cradle had been the rich black earth of the grazing country ever
+since he was old enough to remember anything.
+</P>
+
+<P>
+They all did their share in lulling him to sleep. And, no doubt in
+dreams, he was once more galloping across the wide prairie on the back
+of his mount, his nostrils filled with the life-giving air of the
+sage-covered level.
+</P>
+
+<P>
+Frank slept, he never knew just how long.
+</P>
+
+<P>
+This time it was not the rumbling sound and the fearful vibration of
+the ground that aroused the two saddle boys; but a far different cause.
+</P>
+
+<P>
+When Bob sat up he found his comrade already erect, and apparently
+listening as though keenly alive to some approaching peril.
+</P>
+
+<P>
+"Buckskin's uneasy, you see," remarked Frank in a whisper; "he's pawing
+the ground and snorting as he always does when he scents danger."
+</P>
+
+<P>
+As he said this, Frank dropped back again, and seemed to place his ear
+to the ground, a trick known and practiced among the Indians from the
+days of the early pioneers along the Ohio down to the present time;
+since sound travels much better along the earth than through the
+air&mdash;at least, in so far as the human ear, unaided by wireless
+telegraph apparatus, is concerned.
+</P>
+
+<P>
+"A bunch of horses coming out of the Northwest!" announced the prairie
+boy, almost immediately; "and we can't get our nags muzzled any too
+soon, Bob."
+</P>
+
+<P>
+Apparently the other lad had been coached as to what this meant. He
+sprang to his feet, snatching up his blanket as he did so. Together
+they were off on the jump toward the spot where their animals had been
+staked out at the end of the lariats.
+</P>
+
+<P>
+Arriving at the pins which had been driven into the ground each boy
+sought to clutch the rope that held his restlessly moving horse; and
+hand over hand, they moved up on the animals, the blankets thrown over
+their shoulders meanwhile.
+</P>
+
+<P>
+A few low-spoken words served to partly soothe Buckskin and his black
+mate; then the blankets were arranged about their heads, and secured in
+such fashion that no unlucky snort or whinny might betray their
+presence to those who passed by.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap07"></A>
+<H3 ALIGN="center">
+CHAPTER VII
+</H3>
+
+<H3 ALIGN="center">
+THE RUSTLERS
+</H3>
+
+
+<P>
+At a word from his master the well trained Buckskin doubled up, and lay
+down on the ground. Most cowboy ponies are taught to do this trick by
+their masters, and it is in common use; so that the punchers believe it
+is a poor animal that has not learned to roll over and play dead on
+occasion.
+</P>
+
+<P>
+Bob, too, managed to induce his mount to do the same thing; but to make
+it absolutely certain that no unwise flounder on the part of Domino
+might betray them, he sat upon the horse's head, soothing him by little
+pats on his glossy hide.
+</P>
+
+<P>
+"I hear 'em coming," announced Frank, presently.
+</P>
+
+<P>
+The sounds reached him against the wind, so that it was quite natural
+to believe the approaching horses must by now be very close. There was
+a confused pounding that could only spring from a large body of
+animals. The trained ear of Frank caught a significance in the clash
+of hoofs that told him much more than Bob was able to make out.
+</P>
+
+<P>
+"All horses, Bob," he whispered across the little gap that separated
+him from his chum; "and two thirds of 'em running free, without saddles
+or riders. Lie low, now, and see if you can glimpse 'em as they go
+past."
+</P>
+
+<P>
+"Won't they be apt to run over us?" asked Bob, a bit nervously.
+</P>
+
+<P>
+"Nixy. I looked out to pick a place they'd be apt to avoid. They'll
+brush past a little further to the south," and Frank ended his words
+with a hiss of warning.
+</P>
+
+<P>
+The pounding of many hoofs continued. Frank, straining his eyes,
+believed he was now able to make out a confused moving mass at some
+little distance away, heading directly toward the foot of Thunder
+Mountain.
+</P>
+
+<P>
+As the starlight was so vague he could not make out more than that here
+and there a figure was mounted on a galloping horse, with several
+unridden animals trailing along behind, as though led by ropes.
+</P>
+
+<P>
+The little caravan passed quickly. Already they were vanishing in the
+deeper shadows lying closer to the base of the mountain that towered
+aloft several thousand feet.
+</P>
+
+<P>
+Still the two boys continued to sit there, guarding their horses;
+although all danger of discovery seemed absolutely past.
+</P>
+
+<P>
+"Whew!" exclaimed Bob, presently, as the sound of retreating hoofs
+began to die away; "what d'ye think of that, eh, Frank?"
+</P>
+
+<P>
+"Indians?" queried the Kentucky boy, eagerly.
+</P>
+
+<P>
+"Well," replied his chum, "not so's you could notice. Say, now, you
+didn't see any feathers on their heads, did you? And I sure heard the
+fellow nearest us say something that only a white man would remark,
+when his horse stepped into a hole, and almost threw him over its head."
+</P>
+
+<P>
+"Cow punchers; or perhaps rustlers?" continued Bob, anxious to know.
+</P>
+
+<P>
+"What would cowmen be doing away off here, tell me that, Bob? And
+lugging along a bunch of extra mounts, too, in the bargain? No, I
+rather think, Bob, that those fellows must have some of Mendoza's
+cattle rustlers. And they've been making a dandy raid on some ranch's
+saddle herd; or I miss my guess."
+</P>
+
+<P>
+"Perhaps the Circle outfit had gotten careless," suggested Bob.
+</P>
+
+<P>
+"I sure hope not, for the boys have had plenty of warning; and I reckon
+Bart Heminway is some too good an overseer to permit such a raid. I'd
+rather believe it was the X-bar-X outfit that has gone and got nipped
+this time. But stop and think Bob; what d'ye expect takes these
+cattle-rustlers over this way right now, headed straight for the
+canyons of Thunder Mountain?"
+</P>
+
+<P>
+"Oh, I see what you mean!" exclaimed the taller lad, immediately.
+"Perhaps the secret hiding place of Mendoza and his crowd of cattle
+thieves may be somewhere around this same old rock pile. It'd be just
+like the tricky rustler to have a hide-out where nobody else ever came!"
+</P>
+
+<P>
+"Now, why didn't somebody ever think of that before?" ejaculated Frank,
+in a tone of mingled surprise and disgust.
+</P>
+
+<P>
+"Looks easy, doesn't it, after we've run across a clue?" admitted Bob,
+laughing softly. "You remember what they said about discovering
+America, after Columbus did it. But supposing this thing <I>does</I> turn
+out to be true; how's it going to affect our little business, Frank?
+Oh! say, I wonder if that crowd can have anything to do with the
+rumbling of the mountain?"
+</P>
+
+<P>
+Frank laughed heartily at the suggestion.
+</P>
+
+<P>
+"Well," he remarked, "they're a pretty tough lot, all right; but even
+such a bad bunch could hardly get enough hot air together to make a
+mountain shake and groan like that. Besides, don't you see, Bob, they
+must have been out yonder, riding this way with their stolen horses,
+when that little circus came off."
+</P>
+
+<P>
+"But one thing is sure," the other went on, sturdily; "they don't seem
+to take any stock in that notion about a volcano, because, as we saw,
+they headed straight for Thunder Mountain. That gives it away; they're
+so used to the row that they don't pay any attention to it any longer."
+</P>
+
+<P>
+"Correct!" echoed Frank, as though his mind was made up.
+</P>
+
+<P>
+"Do we need to hold the horses down any longer?" asked Bob, who could
+feel that Domino was becoming very restless under his enforced silence.
+</P>
+
+<P>
+"I reckon not," replied the other, at the same time taking the blanket
+from Buckskin's head; whereupon the animal, recognizing this as a sign
+to rise, quickly gained his feet and shook himself.
+</P>
+
+<P>
+"It's back to the blankets again for another nap," remarked Bob, when
+he, too, had seen his animal regain an upright position. "Wonder
+what's next on the programme for us. Twice, now, we've been waked up;
+and I don't know whether it's really worth while trying to get any more
+sleep to-night. It isn't a great ways from dawn, is it, Frank?"
+</P>
+
+<P>
+The other cast a quick look up at the stars. Accustomed to reading
+these heavenly sign posts of the night, he was able, from their
+positions, to give a pretty fair guess as to the hour; just as the sun
+served him in place of a watch during the day.
+</P>
+
+<P>
+"Three hours yet to dawn, Bob; no use staying up all that time," he
+said, presently. "We expect to be on the move again at peep of day;
+because, after what's happened, it'll be wise for us to get off the
+level here before broad daylight comes along. There might be curious
+eyes on the watch up yonder, on Thunder Mountain; and that, you see,
+would just spell trouble for our crowd."
+</P>
+
+<P>
+"Whew! things are thickening, for a fact!" exclaimed Bob.
+</P>
+
+<P>
+"I was only thinking," Frank continued, "whether we ought to try and
+get word back to the ranch about our discovery. If they knew Mendoza
+and his rustlers were hiding somewhere about this place they'd comb the
+whole mountain range so they could run him to earth. He's been the
+pest of the border too long now, and something's just got to be done to
+chase him back where he belongs, south of the Rio Grande."
+</P>
+
+<P>
+"But you don't want to go back just yet, do you, Frank?" asked Bob,
+uneasily.
+</P>
+
+<P>
+"I'm ready to do what you say, though I'd like to stay," came the
+prompt answer.
+</P>
+
+<P>
+"Then I say, let's stick it out," declared Bob, with animation. "It
+might turn out to be a false alarm, after all; and we'd feel pretty
+cheap to bring all the boys along, and then not be able to show 'em any
+game. No, I say it'll be time enough to go after 'em, when we make
+dead sure!"
+</P>
+
+<P>
+"That settles it, then," remarked Frank, with a little laugh, as though
+pleased to learn that his saddle chum looked at the matter in such a
+sensible light.
+</P>
+
+<P>
+This time, after they had lain down in their blankets, there was no
+further alarm. Frank, from long habits of early rising on the range,
+awakened just as the first faint streaks of dawn began to show in the
+eastern horizon.
+</P>
+
+<P>
+It required but a touch to arouse Bob; and saddling up, with packs in
+place, the boys soon left the scene of their night bivouac, heading
+toward the heavy growth of timber directly at the foot of the mountain.
+</P>
+
+<P>
+The early morning mists concealed their movements until they had
+entered among the timber; when they left they were safe from any
+suspicious eye, should the bold Mexican rustler have posted any watcher
+upon the side of the mountain.
+</P>
+
+<P>
+Again did the saddle boys build a small fire in a hole, over which they
+proceeded to cook their breakfast; while the horses cropped the grass
+near by, secured by the ever useful lariats, or riatas.
+</P>
+
+<P>
+"There's where this leads into a big gully," remarked Bob, later on,
+pointing as he spoke to where the ground became broken.
+</P>
+
+<P>
+"Yes," Frank went on, thoughtfully, "and the chances are ten to one
+that it changes into a regular canyon, where the water rushes down
+whenever they have one of those gushers, or cloud bursts, that come
+along once in a while around here. Now, I wonder if those riders hit
+it up this way?"
+</P>
+
+<P>
+He jumped to his feet as he said this. Passing back and forth, Frank
+seemed to be examining the ground, marking the stepping stones of the
+mountain.
+</P>
+
+<P>
+"Signs aplenty around here," he remarked. "Wish old Hank was along to
+read 'em. I reckon I can tell what they stand for, though."
+</P>
+
+<P>
+"Then they went on up that canyon, you believe?" asked Bob.
+</P>
+
+<P>
+"Reckon there isn't any doubt about that part of it," chuckled Frank;
+"though just where that same canyon leads I can't say. P'raps it may
+be a short-cut across the big range here, leading to the prairie on the
+other side. P'raps it doesn't go anywhere, but just leads to a blind
+hole that I've heard prospectors call a <I>cul de sac</I>. Anyhow, we ought
+to find out, Bob."
+</P>
+
+<P>
+"<I>They</I> knew all right," remarked the other, positively. "Wouldn't get
+any riders going up there in the dark, unless they were mighty familiar
+with every foot of the way. That's my idea, Frank."
+</P>
+
+<P>
+"And I reckon it's the true one," asserted the other. "They know this
+place as well as I do all around old Circle Ranch."
+</P>
+
+<P>
+"There's the sun coming up; and perhaps we'd better be getting a move
+on about now?" suggested Bob.
+</P>
+
+<P>
+"Wait!"
+</P>
+
+<P>
+Something in the tone which his saddle chum used caused Bob to turn his
+head, and look out toward the plain.
+</P>
+
+<P>
+"Huh! what does that mean?" he ejaculated. "A single rider heading
+this way; and he seems to be leading a burro loaded with supplies.
+Must be a bold prospector, bound to look into the secrets of Thunder
+Mountain as we're bent on doing; only he hunts for gold, while we're
+just bent on finding things out."
+</P>
+
+<P>
+"But look now," Frank said a little later, as the other came closer.
+"Don't you see that it's only a little Mexican boy on that bag of bones
+of a horse? Tell you what, Bob, he must have been sent to town for
+fresh supplies by some party of gold hunters located right now over the
+range."
+</P>
+
+<P>
+"Yes, and how do we know but what this Mexican boy is hooked up with
+that Mendoza crowd?" asked the other, seriously. "They might send him
+off for grub, and such things as they happen to need. And he pays for
+it with money they get from selling stolen cattle and horses! Nobody
+would suspect him, Frank, and try to follow. I hope our horses don't
+give us away now. I'd like to see what that little fellow does."
+</P>
+
+<P>
+The boy indeed looked weary as he drew closer, leading his tired burro,
+upon which a fair-sized load was strapped and roped.
+</P>
+
+<P>
+"Get down, Bob," said Frank. "He hasn't glimpsed us, and, luckily
+enough, our horses are feeding out of sight just now. Doesn't he look
+sleepy and tuckered out though? See him nodding in his saddle, poor
+little runt! Oh! what's that moving there among those rocks just
+ahead?"
+</P>
+
+<P>
+"Perhaps it may be one of the rustlers coming down to interview him,"
+said Bob.
+</P>
+
+<P>
+"Hist!" Frank uttered almost in his chum's ear as he craned his own
+neck in order to see better.
+</P>
+
+<P>
+The small boy on the tired broncho, and leading the patient burro, kept
+on steadily advancing, apparently allowing his animal to follow its
+nose, as though it knew the way fairly well from having passed along it
+before.
+</P>
+
+<P>
+"Look! look!" ejaculated Frank suddenly, jumping to his feet. "Great
+guns! Bob, would you see what is coming out from among those loose
+rocks there? A great big grizzly bear; and making straight for the
+pack mule, sniffing the air as if he smelled grub! There, the horse
+has scented him. See him rear up, will you? Oh! he's gone and done
+it, as sure as you live&mdash;thrown the boy over his head! And the poor
+burro is caught fast, with his leading rope held in a crotch of the
+rocks. The boy will be killed if ever he meets up with that monster!
+Quick! We must do something to save him, Bob, but whatever shall it
+be?" and Frank leaped to his feet.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap08"></A>
+<H3 ALIGN="center">
+CHAPTER VIII
+</H3>
+
+<H3 ALIGN="center">
+A STARTLING DISCOVERY
+</H3>
+
+
+<P>
+The Mexican boy had apparently escaped serious injury at the time the
+frightened cayuse made a sudden bolt upon sighting the bear, and threw
+him over his head onto the rocks.
+</P>
+
+<P>
+The lad was already sitting up, and rubbing his knee in a dazed way, as
+if not fully understanding what had happened. The pony rushed wildly
+away, heading up the wide gully, as though with a full knowledge of
+where it was going. And the poor little burro would doubtless have
+been only too glad of a chance to follow, if only it could break loose
+from the detaining rope.
+</P>
+
+<P>
+Meantime the ugly monster, that had been the cause of all this
+commotion, was shuffling closer with each passing second, eager to
+strike down the burro with one savage blow from his mighty paw with its
+long claws, after which he could proceed to help himself to what those
+various packages contained.
+</P>
+
+<P>
+All this Frank Haywood saw in that one glance he shot toward the scene
+of action. The boy was apparently directly in the path of the hungry
+bear. And when his pony had fled in such a panic he must have also
+carried off the rifle, if the boy possessed so valuable a weapon.
+</P>
+
+<P>
+Thus the little fellow was at the mercy of the most feared wild beast
+to be found in all the territory between the Atlantic and the Pacific.
+</P>
+
+<P>
+A wild inclination to hurl himself between that brute and his
+prospective victim surged over Frank. With but a knife, or even a
+revolver to back him up, such a rash act would have been little short
+of madness. Fortunately it was not needed.
+</P>
+
+<P>
+"Let me try for him, Frank!" said a trembling voice at his side.
+</P>
+
+<P>
+And then, all at once, Frank Haywood discovered his chum was crouching
+close by, and that he was clutching a rifle in his shaking hands. How
+he had managed to get hold of the weapon Frank could not even guess,
+because his own was a dozen feet away just then.
+</P>
+
+<P>
+Now Bob Archer had certainly never before set eyes on a ferocious bear
+outside of the circus or museum. And doubtless that brownish-colored
+beast looked as big as a house to him, for he was very much excited.
+But he had true Kentucky pluck, and even that circumstance did not make
+him quail. If the monster had seemed to equal two houses, still would
+Bob have tried to do his duty. And just then it was to save that poor
+little Mexican boy.
+</P>
+
+<P>
+The grizzly had advanced so rapidly that he was already almost upon the
+crouching boy, who stared at him as if in dire dismay, as well he
+might. It was not too late, even then, for the boy to have escaped,
+could he have understood the real situation, and that it was the food
+in the packs the bear craved, rather than his life; but he did not seem
+to realize the fact.
+</P>
+
+<P>
+They had seen him fumbling about his sash, and now he drew something
+forth that glistened in the early morning sun. Why, the little chap
+had actually drawn his knife, as though that trifling bit of steel
+could avail anything more than the prick of a pin against that shaggy
+monster.
+</P>
+
+<P>
+The boy was shivering as with terror, but all the same he showed
+himself game. Frank was amazed by the sight, and not apt to forget it
+in a hurry.
+</P>
+
+<P>
+But by now Bob had stepped forward, uttering a sharp "hello" as he did
+so. His object, of course, was to attract the attention of the bear
+toward himself. This might cause the grizzly to change his course, and
+allow of a few more seconds' delay. It would also divert the attack
+from the helpless boy to one who was at least better armed, even though
+not professing to be a bear-hunter.
+</P>
+
+<P>
+Frank aroused himself. He remembered that he, too, had a repeating
+rifle, leaning against the trunk of a tree not far off. He sprang to
+secure the firearm, in the belief that possibly his assistance would be
+needed in order to finish the dreaded animal.
+</P>
+
+<P>
+However good Bob's intentions were, when he sought to draw the
+attention of the grizzly toward himself, they did not succeed as he had
+hoped. Bruin seemed to know that a feast awaited him as soon as he
+could clear a way to that frantic little burro with the big load. And
+he declined to be turned aside on any account.
+</P>
+
+<P>
+Seeing this, the Kentucky boy dropped on one knee. He felt that he
+must find some sort of rest for his gun, since his shaking hands could
+hardly be expected to hold the weapon steady when it came time to pull
+the trigger.
+</P>
+
+<P>
+Even as Frank swept up his gun he heard the weapon of his chum speak
+sharply. The report was instantly drowned in a tremendous roar.
+Looking, even as he drew back the hammer of his rifle, Frank saw that
+the bear had finally turned away from temptation in the way of meat and
+supplies. He had started to rush Bob, whom he evidently recognized as
+the cause of that sudden pain which had shot through his bulky body.
+</P>
+
+<P>
+Bob was pumping another cartridge into the firing chamber of his
+repeater. He seemed cool, although perhaps only he himself knew how
+his heart was pounding away like mad against his ribs.
+</P>
+
+<P>
+Both guns spoke together, it seemed. The grizzly gave another roar,
+even more furious than before. At the same time, however, he stumbled,
+and fell over sideways. Then he tried desperately to scramble back to
+his four feet, still full of fight.
+</P>
+
+<P>
+Both the boys again put their guns in a firing condition. Even if
+tremendously excited at the moment, they seemed to remember what was
+necessary to do in order to accomplish this result.
+</P>
+
+<P>
+But the bear was apparently unable to get up again. One of the bullets
+must have most luckily reached a vital point in the region of his
+heart. He was floundering about unevenly, while the little Mexican boy
+sat and stared, still gripping that ridiculously small blade in his
+hand.
+</P>
+
+<P>
+"We got him that time, Frank!" exclaimed Bob just then, though he could
+hardly believe his eyes at seeing the monster growing weaker. "He's a
+goner, as sure as shooting! Look at him wobble! Wow! there he goes
+over, to make his last kick! Frank, just think of me having a hand in
+the killing of such royal game! A real grizzly! Oh! I can hardly
+believe it!"
+</P>
+
+<P>
+They now approached the spot where the little Mexican boy was getting
+on his feet again. He was no longer white. The threatening monster
+had been placed where he could do no more harm; but the little chap
+stared uneasily at the two saddle boys. Evidently he was possessed of
+a new cause for alarm in the mere fact of their unexpected presence.
+</P>
+
+<P>
+The burro, meanwhile, had somehow managed to effect his release from
+the rope that had become fast in the crevice of the rock. Still in a
+panic because of the wild animal odor so close at hand, the laden
+animal hurried off after the cayuse that had fled along the gully,
+heading for where Frank had declared the canyon must undoubtedly lie.
+</P>
+
+<P>
+And the boy really looked very much as though he, too, would like to
+depart with equally scant ceremony.
+</P>
+
+<P>
+"Hi! there goes the burro!" called out Bob. "Head him off, Frank; or
+shall I jump on my horse and try to rope him?"
+</P>
+
+<P>
+To the astonishment of both the saddle chums the Mexican boy threw out
+a detaining hand, crying earnestly:
+</P>
+
+<P>
+"Senors, all, there is no need to chase them. They know where to go,
+believe me, and surely I must soon overtake them. You have saved my
+life, Senors. Lopez, he thanks you both. Before now have I seen such
+a bear; but this time I was caught dreaming. He would surely have
+killed me if it had not been for the brave Americanos."
+</P>
+
+<P>
+Frank was struck with the soft tones of the small chap, who did not
+look as if he could be much more than twelve years of age. His
+features were regular, if thin, and the big black eyes seemed to be
+filled with a courage beyond the ordinary. Indeed, they could not
+doubt this, having seen how he had drawn that small knife on finding
+himself confronted by the Rocky Mountain terror.
+</P>
+
+<P>
+"Well, we were only too glad to have been of help to you, Lopez," Frank
+remarked, as he advanced with outstretched hand.
+</P>
+
+<P>
+The boy looked embarrassed, as though hardly knowing what to do. It
+seemed to Frank that he had been staring very hard at Bob, and he
+wondered why. Then again he imagined that the boy must be keeping
+something back. This would account for the worried look on his small,
+pinched, but good-looking face.
+</P>
+
+<P>
+But undoubtedly Lopez realized that it ill became him to decline to
+take the hand that had helped save his life.
+</P>
+
+<P>
+"You understand that we are your friends, Lopez, don't you?" asked
+Frank, as he held the small palm of the Mexican in his own strong one
+for a moment, and looked with a puzzled expression into the big black
+eyes that quickly fell under his gaze.
+</P>
+
+<P>
+"Oh, yes, Senor, surely you have proved it more than enough," the
+little fellow hastened to say; and Frank was astonished to hear what
+good language he used.
+</P>
+
+<P>
+"You go across mountains, eh?" asked Bob, indifferently; truth to tell
+he was just then more interested in the size of the great grizzly that
+had fallen before the guns of himself and his saddle chum, than the
+mere fact of this stripling being entrusted with such a task as
+bringing supplies to prospectors, or rustlers, as the case might prove.
+</P>
+
+<P>
+A flash crossed the face of the boy, just as though he saw a sudden
+opening whereby his presence here might be explained without entering
+into details.
+</P>
+
+<P>
+"Oh! yes, across the range. I get supplies for prospectors in camp,"
+he replied, with an intake of his breath, while he watched Bob
+narrowly, as if, somehow, he believed he had more to fear from that
+source than from the tawny-haired prairie lad.
+</P>
+
+<P>
+"That's kind of queer, seems to me," remarked Bob, slowly, turning to
+again survey the boy; "for them to send so small a chap on so long a
+trail. I should think it was more of a man's work, toting supplies
+across these mountains, through the canyons. And with the chances of
+running foul of such dangers as bears, not to speak of rustlers."
+</P>
+
+<P>
+At that Lopez drew his diminutive figure up, and tried to assume a bold
+look. The Spanish blood was proud, Bob could see.
+</P>
+
+<P>
+"This have I done a long while, Senors, believe me," he said, calmly;
+"and until to-day never have I met with trouble. Had I not been so
+tired and sleepy, perhaps even I might have shot the bear, who knows?
+It would not be the first I have seen, no, nor yet the second; but the
+horse ran away with my gun. But Senors, I must go on after my animals;
+they will be waiting for me farther along."
+</P>
+
+<P>
+"Then you won't wait for us?" asked Frank. "My friend, he would like
+to get the claws of this fellow, to remember him by. It will not take
+very long, Lopez."
+</P>
+
+<P>
+"Thank you, Senors, but I must not delay. Perhaps you may overtake me
+farther along the trail. There is no more danger; and my pack burro
+might scrape off his load if I am not there to watch. Again I thank
+you, Senors."
+</P>
+
+<P>
+The boy bowed to each of them in turn, just as though he might have
+been an actor in some old-time play. Frank believed he had never seen
+such remarkable grace in any half-grown lad. Generally, at that age,
+boys are apt to be about as clumsy as bear cubs at play. He looked
+after Lopez with a frown on his face.
+</P>
+
+<P>
+"What's the matter, Frank?" demanded Bob, as he noticed this
+expression. "Are you huffed just because the independent little rascal
+wouldn't let us mother him? Say, look at his strut, will you? If he
+was heir to the throne of Alfonso he couldn't walk finer. Give me a
+whack between the shoulders, won't you, Frank? Perhaps I've been
+asleep, and dreamed all this."
+</P>
+
+<P>
+"Oh, rats! Take a look at the bear, and that'll show you what's what.
+There, he's disappeared behind that clump of mesquite yonder," and
+Frank turned to look at his saddle mate with an expression of
+bewilderment on his face, as though he might be trying to clutch some
+idea that kept eluding him.
+</P>
+
+<P>
+"Suppose you help me cut these awful claws off, Frank. You see I don't
+know the first thing about how it's done; and I think your idea about
+keeping 'em for trophies is just immense."
+</P>
+
+<P>
+"Well, for that matter," replied Frank, "I don't know as I ever did a
+job like that, myself; but I've watched old Hank do it, so I reckon
+we'll get along."
+</P>
+
+<P>
+For a few minutes they worked away in silence. Then Bob looked up to
+remark:
+</P>
+
+<P>
+"He said it was prospectors he was taking those supplies to, didn't he;
+and that he'd been doing the same a long while?"
+</P>
+
+<P>
+"That was about the size of it, Bob," returned his chum, thoughtfully.
+</P>
+
+<P>
+"Well," Bob went on, "between you and me, Frank, I'd rather believe
+little Lopez was in touch with the rustlers. I mentioned that word
+just on purpose to see if he would turn red, or give himself away."
+</P>
+
+<P>
+"And did he?" asked the other, quickly.
+</P>
+
+<P>
+"Well," replied Bob, "not so you could notice; but then he seemed such
+a smart chap, like as not he knew how to hide his feelings. He looked
+frightened when we talked of wanting him to stay with us. Mark me,
+there's a heap of mystery bound up in that little fellow."
+</P>
+
+<P>
+"He sure puzzles me, all right," remarked Frank. "Did you notice how
+he had a silk handkerchief bound around his head, regular Mex fashion?"
+</P>
+
+<P>
+"Sure I did," laughed Bob, without glancing up, as he used his knife
+industriously after the fashion set by his chum. "And I also took
+notice that he had a fine, glossy bunch of hair under that same colored
+silk bandana."
+</P>
+
+<P>
+"Great governor!" ejaculated Frank, suddenly.
+</P>
+
+<P>
+"What's the matter&mdash;you didn't cut yourself, I hope?" demanded his
+comrade, uneasily, starting up.
+</P>
+
+<P>
+"Shucks! no. Something just struck me, that's all," replied Frank,
+with an air of disgust, and a quick look up the gully where the little
+Mexican had last been seen.
+</P>
+
+<P>
+"Oh! Is that so?" mocked Bob. "Must have hurt right bad then, to make
+you peep like that. Now, I reckon it might have been something about
+Lopez?" for he had noted that hasty glance, and the disappointed frown.
+</P>
+
+<P>
+"That's just what it was, Bob," Frank continued, in an even tone.
+"Fact is, I just remembered who Lopez put me in mind of. Only perhaps
+you'll laugh when I tell you. Remember that poor little girl Peg Grant
+was cuffing when you knocked him down? Well, if you took that colored
+handkerchief off Lopez, and let his black hair fall down, I give you my
+word he'd be a ringer for that Mexican child!"
+</P>
+
+<P>
+Bob stared as if dazed, and then the light of a great discovery dawned
+upon him.
+</P>
+
+<P>
+"Say, Frank!" he exclaimed presently. "Honest Indian, now, I believe
+you've sure struck pay dirt, and that's what!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap09"></A>
+<H3 ALIGN="center">
+CHAPTER IX
+</H3>
+
+<H3 ALIGN="center">
+WHAT HAPPENED TO PEG
+</H3>
+
+
+<P>
+"Then you think the same as I do, eh, Bob?" asked the saddle boy, as if
+pleased.
+</P>
+
+<P>
+"Well, now a heap of things seem to point that way, Frank," replied the
+other, slowly. "Only for the life of me I can't get it through my poor
+old head just why a girl like that would want to carry on in such a
+queer way."
+</P>
+
+<P>
+"Nor me, either," laughed his chum. "That's something else for us to
+lie awake nights puzzling our wits over. Everything around this
+Thunder Mountain just seems to be plastered with mystery&mdash;who little
+Lopez is; what he, or she may be doing away off here in the canyons of
+the Rockies; and more particularly the mystery of the mountain that the
+reds look on as sacred; where Mendoza and his band of rustlers have
+gone with those stolen horses; and also who the prospectors can be that
+this pile of grub was meant for&mdash;it's all a blank, that's what!"
+</P>
+
+<P>
+"Say, I guess that's pretty near the way it sizes up," grumbled Bob.
+"I don't like to run against a stone wall like this. If I was alone
+now, d'ye know what I'd likely be doing, Frank?"
+</P>
+
+<P>
+"Well, say, perhaps I might hit close to the bull's-eye, since I've
+come to know you pretty well these days, Bob," replied the other. "I
+wouldn't be surprised one bit but what you'd go rushing after Lopez,
+and demand to know all about it. But Bob, I look at it in another
+light. That's his own private business."
+</P>
+
+<P>
+"I suppose so; and I was brought up to mind my own affairs, too," said
+Bob.
+</P>
+
+<P>
+"Wouldn't you put up a great howl now," continued Frank, "if somebody
+grabbed hold of you, and insisted on your giving him the whole story of
+your life, where you were born, what your dad did for a living, when
+you cut your first tooth, how much it cost your father to let you
+gallop around the country in the saddle with me, and all that? Say,
+honest now, would you knuckle down like a meek kid; or give the
+questioner to understand that he was poking his nose into affairs that
+didn't concern him one whit?"
+</P>
+
+<P>
+Thereupon Bob laughed heartily.
+</P>
+
+<P>
+"I give up, Frank," he admitted. "You go at a fellow, and put him in a
+hole as a lawyer might. We'll just let little Lopez alone, no matter
+whether he's girl or boy; the grub-getter of prospectors; or agent for
+that sly Mendoza, the cattle-rustler. And, on the whole, I reckon
+we've got about all the business we can attend to right now on our
+hands."
+</P>
+
+<P>
+"That sure sounds good to me, Bob," said Frank, turning once more to
+get his horse, the task of securing the grizzly's claws having been
+completed.
+</P>
+
+<P>
+Naturally enough, while the excitement was on, both horses had
+exhibited the greatest alarm, even though they were out of sight behind
+some trees. The near presence of that terrible monster had caused them
+to strain at their ropes, prance wildly, and try in every way possible
+to break loose; but those lariats had been selected with a view to
+wonderful strength. After the death of the grizzly the animals had
+gradually quieted down.
+</P>
+
+<P>
+Ten minutes later, and the two saddle boys were slowly picking their
+way along the gully, heading upward. Frank, as one born to the
+country, and familiar with many of its peculiarities, amused himself by
+pointing out to his comrade the various positive signs that as a rule
+marked these strange water-courses.
+</P>
+
+<P>
+"You see, Bob," he remarked, "this is really what might be called a
+<I>barranca</I>."
+</P>
+
+<P>
+"Yes, I've heard you tell about them before," observed the other.
+</P>
+
+<P>
+"Most of the year it's only a dry ravine, with high walls; but once in
+a while there happens to be a tremendous downpour of rain in the
+mountains, when a heavy cloud breaks against the wall above. When that
+comes about, this gully is going to be bank-full of roaring, rushing
+water; and anything caught by the flood is apt to be battered and
+bruised and drowned before it's swept out below."
+</P>
+
+<P>
+"Whew!" observed Bob, with a shrug of the shoulders. "Let's hope then,
+that the next cloud-burst will have the kindness to hold off till we
+get out of this hole. If it caught us here, Frank, I reckon we'd just
+have to let our nags shift for themselves, and take to climbing the
+sides. And wouldn't I hate to lose Domino the worst way; even if he
+does give me a raft of trouble at times?"
+</P>
+
+<P>
+Frank patted the satiny flank of Buckskin affectionately, as he said:
+</P>
+
+<P>
+"And it would just about break me up if anything happened to this
+fellow, Bob. I've tried heaps of mounts, seeing that we always have
+hundreds on the ranch; but I never threw a leg over one I fancied like
+my Buckskin. Why, there are times, Bob, when the game little fellow
+seems next door to human to me. We understand each other right well.
+He knows what I'm saying now; listen to him whinny, soft-like, at me."
+</P>
+
+<P>
+Possibly Bob, knowing considerable about horses himself, may have had a
+strong suspicion that the animal understood the touch of his young
+master's hand much more readily than he did spoken words; but this was
+a subject which he never debated with Frank. The latter had a habit of
+talking confidentially with his horse, and seemed satisfied to believe
+the animal understood.
+</P>
+
+<P>
+Slowly they made their way along. Now and then Frank would dismount to
+examine the rocks and scanty earth that formed the trail over which
+they were passing.
+</P>
+
+<P>
+"Always plenty of signs to tell that horses have been going along here
+off'n on, both ways&mdash;stacks of 'em," he announced, when perhaps an hour
+had elapsed since they left the scene of the encounter with the grizzly.
+</P>
+
+<P>
+The ravine, or gully, which he called a <I>barranca</I>, had gradually
+changed its character. It was now more in the nature of a canyon;
+though there were still places where the walls, instead of towering
+high above their heads, sloped gradually upwards.
+</P>
+
+<P>
+"Smart horses could easy climb out of here up that rise," remarked
+Frank, thoughtfully eyeing one of these places.
+</P>
+
+<P>
+"Are you thinking that perhaps we'd better get out with our nags, while
+we have the chance, and leave them, while we keep up the game on foot?"
+asked Bob, suspecting that his chum might be considering such a move.
+</P>
+
+<P>
+"Well," remarked the other, "it stands to reason that our horses aren't
+going to be of much use in the mountains. If we shook 'em now, we'd be
+able to climb almost anywhere, and peek into places we'd never be able
+to find as long as we stuck to our mounts. So, if you're of the same
+mind, Bob, we'll try and find a place where we might rope 'em out, an'
+take the chances of finding 'em again when we're done poking around."
+</P>
+
+<P>
+"I hope then, none of the rustlers will run across them while we're
+away," said Bob, as he looked across a deep little pool that lay just
+at the foot of a very high slope; and then fastened his gaze on a
+peculiarly twisted cedar that seemed to cling to the bank, half way up.
+</P>
+
+<P>
+"Leave that to me, my boy," returned his chum, confidently. "I'll make
+sure they leave no trail behind to catch the eye of a horseman riding
+past. Besides, we're not dead sure, you know, that the rustlers have
+really got a camp around these diggings. P'raps now, they just push
+through the canyon to get to some other point across the divide. Or it
+may be a favorite trail for them to carry off the cattle they rustle.
+In some hidden valley, you see, they can change the brands; and then
+openly drive the steers to a shipping station on the railroad."
+</P>
+
+<P>
+"All right, then," agreed his companion, who was ready to put the
+utmost faith in any plan proposed by his saddle chum. "We'll keep our
+eyes peeled for a chance to get the horses out of this place. Here's a
+slope they might climb, as you say; but it looks as if they'd have to
+swim that pool first."
+</P>
+
+<P>
+"No use trying it," remarked Frank, casting a rapid glance upward to
+where, at a distance of possibly a hundred feet, he could see little
+bushes growing on the edge of the top of the rise, which slope formed
+an angle of something like forty-five degrees; "sure to be better
+places further on, where the holding is firmer."
+</P>
+
+<P>
+"And yet," remarked Bob, suddenly, "horses have made this climb only a
+short time ago, Frank!"
+</P>
+
+<P>
+"What makes you say that?" asked the other, interested at once.
+</P>
+
+<P>
+"Why, there are tracks going up slantingly, you see; and even if I am
+next door to a greenhorn I can tell that the marks look fresh," Bob
+declared, pointing.
+</P>
+
+<P>
+"Say, I take a back seat, Bob," Frank remarked, laughingly. "That's
+the time you saw my lead, and went me one better. Sure there have been
+horses climbing that slope&mdash;one, two, three of 'em. And Lopez, he had
+only two; so it can hardly be him. I wonder now if that measly
+tenderfoot, Peg&mdash;&mdash;"
+</P>
+
+<P>
+"Look up yonder!" interrupted Bob, suddenly pointing again. "I saw the
+bushes moving along the edge of the top there. Somebody's got an eye
+on us right now, Frank. D'ye reckon it could be one of those rustlers;
+and would they try to hold us up so as to get our mounts?"
+</P>
+
+<P>
+Bob instinctively snatched his rifle, and began to make a
+demonstration, as though half tempted to shoot. His action looked so
+decidedly hostile that it naturally created something of a panic in the
+breast of the unknown who was lying concealed behind the fringe of
+bushes.
+</P>
+
+<P>
+They saw a sudden hasty movement, as though, in alarm, the hidden one
+had started to change his position. Then something not down on the
+bills occurred.
+</P>
+
+<P>
+The loose earth at the edge of the top of the long slope seemed to give
+way in a treacherous manner. Immediately a human figure came into
+view, struggling, clawing desperately, and trying in every way possible
+to clutch at something firm in order to halt his downward progress.
+</P>
+
+<P>
+But it was all of no avail. A second figure attempted to grasp the
+imperiled one in time, but evidently failed to secure a firm hold. And
+so the fellow started to roll down the slope. He came much after the
+manner in which a bag of corn might turn over and over. Sometimes he
+was head-first; and then again resuming the side motion, he whirled
+around in a way that was enough to make anyone dizzy.
+</P>
+
+<P>
+All the while he kept letting out shrill squeals of real alarm; as
+though the prospect of a final plunge into that deep dark pool at the
+base filled him with dread.
+</P>
+
+<P>
+By some rare chance the rolling man struck the twisted little cedar
+that tried to keep its dying hold on the scanty soil half way up the
+rise. Caught by the seat of his stout trousers on one of the scrubby
+tree's broken branches, the unfortunate one was suspended in midair,
+kicking, floundering and yelling at a tremendous rate.
+</P>
+
+<P>
+"Say!" exclaimed Frank, when he was able to catch his breath again,
+"What d'ye think of that, now? Our friend Peg is so glad to see us he
+couldn't wait to walk down, but tried to skate. And see what's
+happened to him! Next thing he wants is a bath; and I sure reckon he's
+due for one when that cedar pulls out its last root. Wow!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap10"></A>
+<H3 ALIGN="center">
+CHAPTER X
+</H3>
+
+<H3 ALIGN="center">
+THREATS OF TROUBLE
+</H3>
+
+
+<P>
+"Splash!"
+</P>
+
+<P>
+Hardly had Frank ventured upon his prediction before it came true. The
+stout cloth of which Peg's garments were composed might have sustained
+his weight indefinitely, and had it depended on his trousers giving
+way, his friends above must have been compelled to use their ropes in
+order to release him from so unfortunate a predicament.
+</P>
+
+<P>
+But the roots of the little stunted cedar were soon torn from their
+hold. And when this came about, of course the unfortunate Peg
+continued his roll down the balance of that steep slope, clawing at
+every object which he thought might stay his progress.
+</P>
+
+<P>
+He certainly did drop into the pool with a tremendous splash that sent
+the water flying in every direction.
+</P>
+
+<P>
+At first he vanished entirely from view. Then his head emerged, and it
+could be seen that he was swimming furiously to keep afloat. Somehow
+his awkward movements made Bob Archer think of a hippopotamus he had
+once seen in a tank.
+</P>
+
+<P>
+Peg must have had his mouth open when he struck. Perhaps he was trying
+to shout for somebody to stop him, and in this manner he swallowed a
+quantity of water. At any rate he spouted forth quite a little fluid
+as he floundered about, kicking and beating with feet and hands, as
+though he were being run by an engine that had gone wild.
+</P>
+
+<P>
+Both of the saddle boys grinned. They could not help it, the thing
+looked so laughable. Had it been a dear friend, instead of an enemy,
+they must have enjoyed the sight just the same.
+</P>
+
+<P>
+Twice Peg bobbed under, to come up again, paddling for all the world
+like a puppy that was having its first swim. His face had taken on a
+look of terror.
+</P>
+
+<P>
+"Help! Can't keep up much longer! Something pulling me down!" he
+spluttered.
+</P>
+
+<P>
+Frank and Bob exchanged a quick glance. Of course this put quite
+another face on the matter. If Peg was really in danger they had no
+business to stand there, laughing. It might seem funny to them, but to
+Peg the matter was not at all comical.
+</P>
+
+<P>
+"I don't believe the critter knows how to swim, Bob!" exclaimed Frank.
+</P>
+
+<P>
+"That's what," answered the other, seriously. "He's just keeping up
+because he's crazy with fright. We've got to get him out of there,
+Frank."
+</P>
+
+<P>
+"We sure have; come along," echoed the western boy.
+</P>
+
+<P>
+Fortunately Frank was possessed of a quick mind. He never wasted any
+time in wondering what methods he should use in order to accomplish
+things.
+</P>
+
+<P>
+The pool was of considerable width, and even though he bent over its
+border he would not be able to come within five feet of the struggling
+Peg.
+</P>
+
+<P>
+Without hesitation he stepped into the water, holding his gun. Two
+feet from the bank and it was to his knees. But he believed he had now
+reached a point where he could hold out his rifle and touch Peg.
+</P>
+
+<P>
+"Take hold, and I'll pull you out!" he called, as he extended the gun.
+</P>
+
+<P>
+It was laughable to see how eagerly the other seized upon the chance.
+And, when Peg had fastened himself to the other end of the rifle Frank
+easily drew him shoreward.
+</P>
+
+<P>
+The bully came out, dripping wet, and in anything but an angelic
+temper. It was bad enough, in his eyes, to have fallen into the pool;
+but to be rescued by a fellow he hated, as he did Frank Haywood, added
+to the aggravation.
+</P>
+
+<P>
+After spluttering for a minute or two, so that he could get rid of the
+balance of the water he had swallowed, Peg faced the two chums.
+</P>
+
+<P>
+Strange to say he did not seem to consider that Frank had placed him
+under any obligations in the least when he dragged him out of the water.
+</P>
+
+<P>
+"See what you did," Peg exclaimed, now spluttering with burning anger.
+"What d'ye mean pointing your old gun up at me, and making as if you
+meant to shoot?"
+</P>
+
+<P>
+"Oh!" remarked Bob, elevating his eyebrows; "was that what forced you
+to take that header down the slope? Well, now, we had an idea you were
+so glad to see us that you just couldn't wait to walk down, but wanted
+to fly! But, if I was to blame at all for your trouble, I'm sure I'm
+sorry. But you see, we didn't know whether we were going to be held up
+by rustlers or Indians. That's what comes from hiding, Peg."
+</P>
+
+<P>
+"Bah! guess I'll do just whatever I want," spluttered the other, wiping
+his dripping face on his sleeve without doing either much good,
+however. "And do you know what I think?"
+</P>
+
+<P>
+"Well, no, I must say I don't happen to be a mind reader, Peg. Suppose
+you tell me," replied the unruffled Bob, who had taken the measure of
+the other, and knew he might be set down as a great boaster, but one
+not particularly dangerous when it came to a show-down.
+</P>
+
+<P>
+"I believe you just did that on purpose, that's what," Peg went on,
+hotly. "You've got it in for me ever since that time we had our little
+affair, when I laid a hand on the Mexican girl who sassed me. You just
+knew I'd jump up in a hurry if you made out you was going to shoot; and
+I bet you even remembered this lake at the bottom of the slope. Oh! it
+worked all right; but don't you forget; my time will come. I'm going
+to pay you back in full! I've got friends who'll stick by me, all
+right. Bah! what're you two fellers doing here on Thunder Mountain,
+anyhow?"
+</P>
+
+<P>
+A new suspicion had apparently seized upon Peg. He viewed their
+presence as a personal insult; just as though they might have plotted
+to forestall him in the glorious adventure he had planned to carry out.
+</P>
+
+<P>
+"Well, if the old mountain belongs to you," spoke up Frank, thinking it
+time he took a hand in the talk, "we'll ask you to excuse us, and back
+out. But I don't think you have any claim on it; so we'll hang around
+as long as we see fit. And remember this, Peg, we're going to mind our
+own business; but we don't stand for any bother from you, or those with
+you. Understand that?"
+</P>
+
+<P>
+Peg looked at him long and steadily. The eyes of Frank never wavered
+in the slightest degree.
+</P>
+
+<P>
+"All right," said Peg, finally, as his own eyes dropped. "You wait and
+see; that's what! This thing's been hanging fire a long time now; and
+some day we're bound to have it out, Frank Haywood. My dad's after
+yours with a sharp stick; and perhaps the trouble is going to come down
+to the next generation. You'll get yours good and plenty when the
+right time comes!"
+</P>
+
+<P>
+He turned away, and, limping to where the slope could be reached by
+skirting the edge of the pool, laboriously commenced to climb,
+following the tracks of the three horses.
+</P>
+
+<P>
+"There's one of his guides up yonder, Frank," remarked Bob; "sitting on
+the top of the bank. Looks to me like he was grinning to beat the
+band."
+</P>
+
+<P>
+"Yes, that's Nick Jennings," replied Frank. "Used to work on the
+Circle Ranch, but he got his walking papers because he was caught
+stealing from the other men. He's got a grudge against me because I'm
+a Haywood. But Nick likes a joke as well as any cowboy; and who could
+keep a straight face after seeing what happened here? Look a little
+farther on, and you'll just glimpse the colored handkerchief Spanish
+Joe wears on his head."
+</P>
+
+<P>
+"I see him peeping at us from behind the bushes," returned Bob. "And
+say, he's handling that gun of his just like he'd be glad to use it if
+anybody gave him the dare. I reckon Spanish Joe is some ugly customer,
+Frank."
+</P>
+
+<P>
+"That's just what he is; but let's be moving on. If Peg takes another
+flop and splashes in this puddle again, he'll have to swim for it, or
+else depend on his own guides to yank him out. No more for me. I'm
+wet to the knees; and did you hear him thank me for it? He's sure the
+limit."
+</P>
+
+<P>
+So the two boys went on.
+</P>
+
+<P>
+They were not interfered with, which pleased Frank not a little.
+Knowing the nature of Spanish Joe, and the revengeful character of Nick
+Jennings, he would not have been much surprised had they attacked him
+and Bob, and carried things with a high hand.
+</P>
+
+<P>
+Presently a turn in the canyon shut out the scene of their late
+adventure. The last glimpse they had of Peg Grant, he had nearly
+arrived at the top of the slope, and it seemed possible that he would
+not make a slip that might cause him to repeat his recent circus act.
+</P>
+
+<P>
+"Why do you think they left the trail, and made their horses climb up?"
+asked Bob, presently.
+</P>
+
+<P>
+"Well, they might have talked it over just as we did, and chosen to
+leave the horses so they could look around on foot," Frank replied.
+</P>
+
+<P>
+"But you suspect they might have another reason, too?" Bob insisted.
+</P>
+
+<P>
+"That's a fact," replied his chum, seriously. "For all we know they
+may have run across some sign of the rustlers, and thought it best to
+get out of the beaten rut here before they got caught."
+</P>
+
+<P>
+"Then you don't believe that little Lopez had anything to do with it,
+Frank?"
+</P>
+
+<P>
+"What, that Mex boy? Oh! he's out of the business long ago," replied
+the other.
+</P>
+
+<P>
+"In what way? Didn't he come along this trail ahead of us?" asked Bob.
+</P>
+
+<P>
+"Sure thing," Frank went on. "But you see I've missed the marks of
+that burro's little hoofs for nearly twenty minutes. I made up my mind
+Lopez had some slick way of climbing out of the <I>barranca</I> a ways back,
+without leaving much of any trail. I told you he was a sly one, and I
+say the same now, no matter whether he's a brother to the girl you
+defended against Peg, or the girl herself."
+</P>
+
+<P>
+"All right, Frank. Get us out of this as soon as you can," Bob
+remarked, looking ahead, as though he did not much fancy the appearance
+of things there.
+</P>
+
+<P>
+Ten minutes later Frank drew rein sharply.
+</P>
+
+<P>
+"What's doing?" asked Bob, nervously, as he half raised his rifle,
+which he had insisted on holding in his hand all the time since that
+meeting with Peg. "Think you see signs of trouble from Peg and his
+bunch; or is it something else?"
+</P>
+
+<P>
+"Something else this time," remarked Frank. "Fact is, our chance has
+come to get up out of here with the nags!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap11"></A>
+<H3 ALIGN="center">
+CHAPTER XI
+</H3>
+
+<H3 ALIGN="center">
+THE BLACK NIGHT
+</H3>
+
+
+<P>
+"How does this suit you, Bob?"
+</P>
+
+<P>
+Frank asked this question as he and his comrade sat there in their
+saddles, and glanced around at the peaceful scene. They had climbed
+the bank of the <I>barranca</I>, and reached a spot where the grass was
+growing under a cluster of mesquite trees.
+</P>
+
+<P>
+"It looks good enough for me," replied the young Kentuckian.
+</P>
+
+<P>
+"Plenty of forage for the horses," Frank went on, nodding his head as
+he looked; "and do you see that little trickling stream of water that
+crawls along? All we have to do is to hide the horses here. When we
+want 'em, the chances are we'll find 'em safe."
+</P>
+
+<P>
+"I hope so," remarked Bob, as he alighted.
+</P>
+
+<P>
+In a short time they had removed saddles and bridles, hiding these
+among the neighboring rocks, together with their supplies, and had
+picketed the horses by means of the lariats.
+</P>
+
+<P>
+"Now what?" asked Bob.
+</P>
+
+<P>
+"You sit down here, and wait till I come back," Frank remarked.
+</P>
+
+<P>
+"What are you going to do?" the Kentucky lad inquired; "something that
+I might lend a hand at?"
+</P>
+
+<P>
+"No, I reckon you're a little shy on knowing how to hide a trail, Bob.
+Old Hank showed me, and I've practiced it often. This promises to be a
+chance to see whether I learned my lesson half-way decent."
+</P>
+
+<P>
+"Oh! all right, Frank. But some day I expect you to show me all about
+that sort of thing. You know I want to be in the swim, and learn how
+to do everything there is. I'll wait here by the water," and Bob
+dropped down to rest.
+</P>
+
+<P>
+"I won't be gone long," Frank observed. "Pretty much all the slope was
+made up of stone; and what a great time the horses did have, trying to
+hang on. Once I thought your nag was going to take a nasty plunge,
+because he isn't as used to the work as a Western pony would be. But
+he recovered, thanks to the help you gave him, and made the top all
+right. So-long, Bob."
+</P>
+
+<P>
+"I notice you're taking your gun along," remarked the one who was to
+stay.
+</P>
+
+<P>
+"Well, when you're in the mountains it's just as well to be prepared
+all the time. You never can tell when you'll run slap into something.
+It might be a big grizzly like the one we met; then perhaps a hungry
+panther might take a notion to tackle you. I knew a cowman who had
+that happen to him. Yes, and perhaps you heard him tell the story."
+</P>
+
+<P>
+"You must mean Ike Lasker," Bob replied, quickly. "Yes, I remember how
+he said he was lying down, waiting for some feeding deer off to
+windward to work closer, when, all of a sudden, something struck him on
+the back, and nearly knocked the wind out of him for keeps. He managed
+to get his knife out, and they had it there, good and hard."
+</P>
+
+<P>
+"Ike said he nearly cashed in his checks that time," Frank added.
+"Some of his mates found him, after they discovered his horse feeding
+near by. The panther was dead as a stone, and Ike was clawed and bit
+till he looked like a map of the delta of the Mississippi&mdash;anyhow,
+that's the way he told it. Keep your shooter handy, too, Bob."
+</P>
+
+<P>
+"I will that," returned the Kentucky boy, impressed by his chum's
+earnestness.
+</P>
+
+<P>
+After a little while Frank came back again. His manner told that he
+was quite satisfied with what he had done.
+</P>
+
+<P>
+"A sharp-eyed trailer might find where we left the canyon," he
+admitted; "but I don't believe any ordinary fellow would notice the
+marks. So I think our horses stand a first class chance of being here
+when we come back for 'em."
+</P>
+
+<P>
+Bob got on his feet.
+</P>
+
+<P>
+"I've fixed up some grub, just as you told me," he remarked. "It isn't
+much, but ought to serve in a pinch."
+</P>
+
+<P>
+"And as it's nearly noon now," observed Frank. "Why not take a snack
+before we leave our base of supplies? Let's get the stuff out of the
+cache again, and have a round of bites."
+</P>
+
+<P>
+"I don't see the use of hurrying away from here right now, anyhow," Bob
+remarked, while they were eating.
+</P>
+
+<P>
+"You mean," said Frank, "that we only came here to see what we could
+find out about the secret of old Thunder Mountain, and why it kicks up
+such a rumpus every little while?"
+</P>
+
+<P>
+"Yes, and seems to me that since we're right on the ground now, we
+might just as well start business, here," Bob asserted.
+</P>
+
+<P>
+"That is, hang around until night, and wait to see if the grinding
+begins again, as it did when we were in camp below?"
+</P>
+
+<P>
+"We'd be in a position to guess what it was, better than before," Bob
+went on.
+</P>
+
+<P>
+"That's a fact," laughed Frank. "And if, as lots of people think, this
+old mountain is a played-out volcano, perhaps we might even smell the
+sulphur cooking, by sticking our noses down into some of these crevices
+in the rocks."
+</P>
+
+<P>
+"Now you're joshing me, Frank!" declared the Kentucky lad, reprovingly.
+</P>
+
+<P>
+"I am not," replied the other, immediately. "Suppose there was any
+truth in that fairy story about the fires away down in the earth here;
+don't you think a fellow might get a whiff of the brimstone if he was
+Johnny on the spot? Why, honest now, Bob, it was on my mind to find
+some sort of cave up here, and go in just as far as we could. Don't
+you see the point?"
+</P>
+
+<P>
+"Oh! I reckon I do, Frank. You take little stock in that yarn; but,
+all the same, you think we ought to look into it, now we're on the
+ground?"
+</P>
+
+<P>
+"That's it, Bob. Why, even my dad kind of favors that idea, and I want
+to either prove it a fake, or learn that there's something to it."
+</P>
+
+<P>
+So they lay there, lazily enough, instead of climbing farther up the
+side of the mountain. It was very pleasant to keep in the cool shade
+of the trees, with that trickling little stream so near, for, as the
+afternoon advanced, it seemed as though the air became very oppressive.
+</P>
+
+<P>
+Frank was looking up at the sky many times, and finally his companion
+asked him what was on his mind.
+</P>
+
+<P>
+"I don't pretend to be a weather sharp," Frank replied; "but, all the
+same, there are signs up there that've got me guessing."
+</P>
+
+<P>
+"Well, it <I>is</I> clouding up some," replied Bob, as he swept a look
+around at what they could see of the arch overhead. "Perhaps the long
+drought is going to be broken at last, Frank. Your father will be
+tickled, if it turns out that way. He's been complaining of late about
+the stock having to hunt twice as far away from the ranch for forage.
+A rain would make things green again."
+</P>
+
+<P>
+"Sure it would," replied Frank; "but, as I said to you before, a rain
+storm up in the Rockies is sometimes no joke. We may have to do some
+tall climbing if it gets a whack at us when we're in the canyon."
+</P>
+
+<P>
+The day was passing. They had seen nothing more of Peg Grant and his
+two guides, but could easily believe the others were not a great way
+off. Perhaps they, too, were only waiting for night to come in order
+to start their investigation.
+</P>
+
+<P>
+"I don't think either Spanish Joe, or Nick, could be depended on, if
+the thing began to look too spooky," Frank had said more than once,
+showing that his thoughts must be running in the direction of the rival
+party.
+</P>
+
+<P>
+"Oh! this is easy," chuckled Bob. "If all we've got to do is to squat
+here and take notes when the menagerie begins to wake up, it's going to
+be a snap."
+</P>
+
+<P>
+Frank did not want to make his chum nervous by confessing that he had
+another reason for agreeing to remain there idle the balance of the
+day, besides the fact of there being no hurry, and that they could take
+notes just as easy there as farther up the mountain.
+</P>
+
+<P>
+The fact was, he had concluded, it would be safer for them to remain in
+hiding while daylight lasted, and do what searching they expected to
+accomplish in the darkness of night.
+</P>
+
+<P>
+It was too easy, for anyone who had no scruples, and wished to do them
+injury, to drop a rock down from the wall of the canyon. Against this
+sort of attack their rifles would be useless; and terrible damage might
+result.
+</P>
+
+<P>
+As to who would be guilty of such an outrage, Frank only remembered
+that Peg was in a white heat of indignation, and fully capable of doing
+some madcap prank in order to frighten off the two saddle boys. He was
+also not a little worried about the rustlers, supposed to be lurking
+somewhere not far distant.
+</P>
+
+<P>
+Last, but not least, there were the prospectors to whom little Lopez
+had admitted he was carrying the supplies that were secured on the pack
+burro. Frank had not heard of any treasure-hunters having invaded the
+slopes and valleys around Thunder Mountain; but this did not mean it
+could not be true.
+</P>
+
+<P>
+If these men were secretly taking out possibly large quantities of
+precious ore, and did not wish to be discovered, or disturbed in their
+operations, even they might try to alarm the invaders by hostile
+demonstrations.
+</P>
+
+<P>
+"It's as pretty a mixup as ever I heard tell of," Frank had said
+several times that afternoon, while they were exchanging confidences in
+connection with the remarkable possibilities around them. "What with
+the rustlers, Peg and his crowd of thunder investigators, the little
+Mex. boy and his unknown prospector bunch; and last but not least, Bob,
+ourselves, it sure has me going some."
+</P>
+
+<P>
+"Yes," the other had returned, "but I hope we'll keep clear of the
+whole lot, and be able to find out something worth while. I wish the
+next night was over, and we were galloping along over the plains headed
+for good old Circle Ranch."
+</P>
+
+<P>
+"Me too, Bob, always provided we carried with us an explanation for
+those deep grumblings that shake the earth, and seem to come out of the
+heart of Thunder Mountain. I'm a stubborn fellow, as I reckon you
+know; and when I throw my hat into the ring I like to stick it through
+till they carry me out."
+</P>
+
+<P>
+"The same here," Bob had declared, after which the chums had to shake
+hands on it again, thus sealing the compact to stick.
+</P>
+
+<P>
+And so the day went, and night came on apace.
+</P>
+
+<P>
+The air did not seem to cool off to any extent as darkness approached.
+Frank took pains to call the attention of his comrade to this fact.
+</P>
+
+<P>
+"You can guess what that means, Bob," he remarked. "It's sure going to
+bring on a whopper before a great while. All the signs point that way
+right now. So we can expect to get ready for a ducking."
+</P>
+
+<P>
+"Oh! that doesn't bother me," declared Bob. "I've been through many a
+one. All I hope is that we don't happen to be in the old canyon when
+that cloudburst you mentioned comes along. I'm not hankering after a
+ride on a forty foot wave, and down that crooked old canyon, too.
+Excuse me, if you please!"
+</P>
+
+<P>
+"Of course if we only stick it out here, there's going to be no
+danger," Frank remarked, indifferently.
+</P>
+
+<P>
+"I see that you're just itching to be on the move, old fellow,"
+ventured Bob, who knew the restless nature of his chum.
+</P>
+
+<P>
+"Do you? Well, Bob, to tell the truth, if I was alone now, I suppose
+I'd be making for the top of the old hill, bent on finding out whether
+there was any sign of smoke oozing from the cracks and crevices at just
+the time the rumblings came on."
+</P>
+
+<P>
+"Then what's to hinder both of us going at it?" demanded the proud
+Kentucky lad, fearful that Frank might think him timid because he had
+suggested their remaining out of the danger zone.
+</P>
+
+<P>
+"We may, later on. Just now it's our business to get some supper; and
+hot or not, I'm going to make a cooking fire back of this big boulder,
+where nobody could ever glimpse the blaze."
+</P>
+
+<P>
+"Did you say coffee?" remarked Bob. "All right, I'll go you, old
+fellow. I feel a little that way myself, and that's no yarn."
+</P>
+
+<P>
+So Frank got things started, and it was not a great while before the
+coffee pot was bubbling as merrily as ever, with that appetizing odor
+wafting from it.
+</P>
+
+<P>
+The darkness kept on increasing while they ate. An hour later it was
+very black all around them, and Bob viewed the possibility of their
+venturing into the unknown perils around them with anything but a
+comfortable feeling.
+</P>
+
+<P>
+It was just when he was wondering whether Frank would not conclude to
+remain in the safe position they occupied that he heard his comrade
+give a sharp cry.
+</P>
+
+<P>
+"What have you discovered, Frank?" asked Bob, starting to get up.
+</P>
+
+<P>
+"A light up the side of the mountain yonder," replied the other, "and,
+Bob, perhaps if we could only manage to climb up there, we'd learn
+something worth while. The question is, have we the nerve to try it?"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap12"></A>
+<H3 ALIGN="center">
+CHAPTER XII
+</H3>
+
+<H3 ALIGN="center">
+LOSING THEIR BEARINGS
+</H3>
+
+
+<P>
+Bob chose to consider this a direct challenge.
+</P>
+
+<P>
+"I expect that it would be queer if we didn't make some sort of effort
+to find out what the light means. Where is it, Frank?" he remarked,
+with perfect coolness.
+</P>
+
+<P>
+"Well, it must have gone out while you were speaking, Bob, as sure as
+anything," the other replied. "But I saw it, I give you my word I did.
+Huh! there she comes again, just like it was before. Step over here;
+the spur of the rock is in your way there. Now look straight up. Get
+it?"
+</P>
+
+<P>
+"Easy, Frank. A fellow might think it was a star, if he didn't know
+the mountain was there. Now it's getting bigger right along."
+</P>
+
+<P>
+"That's so, Bob. And yet it doesn't seem to be a fire, does it?"
+</P>
+
+<P>
+"More like a lantern to me," declared the Kentucky boy. "Say, what
+d'ye reckon anybody could want a lantern up there for? Can you see any
+swinging motion to the light Frank?"
+</P>
+
+<P>
+"It does seem to move, now and then, for a fact," admitted the other,
+after watching the gleam for a short time.
+</P>
+
+<P>
+"About like a brakeman might swing his lantern if he was on a freight
+train in a black night, eh?" continued Bob.
+</P>
+
+<P>
+"Hello! I see now what you're aiming at, Bob; you've just got a notion
+in your head that the lantern is being used for signalling purposes."
+</P>
+
+<P>
+"Well, does that strike you as silly?" demanded Bob Archer.
+</P>
+
+<P>
+"Silly? Hum! well, perhaps not, because it may be the right
+explanation of the thing. But whatever would anybody up there be
+signalling for, and who to, Bob?"
+</P>
+
+<P>
+"There you've got me," laughed the other. "I'm not so far along as
+that yet. P'raps it might be one of the rustlers, telling something to
+another of the same stripe, who is located in camp out yonder on the
+plain. Then, again, how do we know but what it might be that Peg Grant
+lot? And Lopez. Don't forget little Lopez, Frank. Prospectors could
+have a lantern; in fact, I understand they often do carry such a thing
+along with 'em when they go into the mountains to pan for dust in the
+creek beds."
+</P>
+
+<P>
+"So," said Frank, who evidently was doing considerable thinking.
+</P>
+
+<P>
+They stood there for some little time, looking up at the light. Bob
+was merely indulging in various speculations regarding its source. On
+the other hand Frank busied himself in locating the strange glow, so
+that he might be able to know when he reached the spot, in case it was
+invisible at the time they arrived.
+</P>
+
+<P>
+"Do we go?" asked Bob, when he, too, found his impatience getting the
+better of him; whereupon Frank, who had evidently been waiting for some
+sign, immediately took him up on it.
+</P>
+
+<P>
+"If you're ready, we'll start right away," he said, quietly. "Luckily
+I've been studying the face of Thunder Mountain at times during the
+afternoon, and I reckon I can pilot the expedition all right."
+</P>
+
+<P>
+But when Frank said this so confidently he failed to consider the
+intense darkness that might baffle all his plans of campaign. Still,
+Bob had the utmost confidence in his chum's ability to pull out of any
+ordinary difficulty. And, since his Kentucky spirit had been fully
+aroused, he was ready to accompany Frank anywhere, at any time.
+</P>
+
+<P>
+Before they had been ten minutes on the way each of the boys sincerely
+wished that the idea to investigate had never appealed to them, for
+they began to have a rough time of it. But both were too proud to
+admit the fact, and so they kept crawling along over the rocks with
+their rifles slung on their backs, at times finding it necessary to
+clutch hold of bushes or saplings in order to save themselves from some
+tumble into holes, the actual depth of which they had no means of even
+guessing in the darkness.
+</P>
+
+<P>
+The light was gone. Of course that might not mean it had vanished
+entirely; but at least it could no longer be seen by the boys who were
+climbing upward.
+</P>
+
+<P>
+Bob was hoping his comrade would propose that they call it off, and
+proceed to spend the balance of the night in the first comfortable nook
+they ran across. But Frank himself was loath to give the first sign of
+a backdown. Consequently they continued the laborious task which was
+likely to bring no reward in its train, only the satisfaction of
+knowing they had accomplished the duty which they had in mind at the
+time of the start.
+</P>
+
+<P>
+An hour must surely have gone since they first left the little green
+glade where the horses were staked out, and their supplies cached.
+</P>
+
+<P>
+Bob found himself blown, and trembling all over with fatigue, because
+of the unusual exertion. The heat, too, was troublesome. But not for
+worlds would he be the first to complain. Frank was setting the pace,
+and he must be the one to call a halt.
+</P>
+
+<P>
+"Phew! this is rough sledding," remarked Frank, finally, as he stopped
+to wipe his streaming face.
+</P>
+
+<P>
+Of course Bob also came to a halt.
+</P>
+
+<P>
+"Well, it is for a fact," he admitted with a little dry chuckle; for he
+felt really pleased to think that he had held out so long, and forced
+Frank to "show his hand."
+</P>
+
+<P>
+"Seems to me we ought to have struck something," suggested Frank.
+</P>
+
+<P>
+"Do you really mean you think we've come far enough for that?"
+questioned Bob.
+</P>
+
+<P>
+"I reckon we have, though it's so dark I can't be dead sure. You don't
+happen to glimpse anything queer around here, do you, Bob?" and while
+speaking Frank, perhaps unconsciously, lowered his voice more or less.
+</P>
+
+<P>
+"Nary a thing," replied the other, breathing fast, as if to make up for
+lost time.
+</P>
+
+<P>
+"And I don't get any whiff of smoke, do you?" continued Frank.
+</P>
+
+<P>
+"Oh! you're thinking about that volcano business again, eh?" chuckled
+Bob. "Nothing doing, Frank. Gee! we must be up pretty high here!"
+</P>
+
+<P>
+"Feels like it," returned the prairie boy, accustomed to the heavier
+air of the lower levels at all times. "Makes me breathe faster, you
+know. But that was a hot old climb, Bob."
+</P>
+
+<P>
+"All black up yonder in the sky, with never a star showing," observed
+the boy from Kentucky.
+</P>
+
+<P>
+"Oh! we're going to get it, sooner or later," declared Frank,
+cheerfully. "Can't escape a ducking, I take it. But here we are, half
+way up old Thunder Mountain, and not a thing to show for our work.
+That's what I call tough!"
+</P>
+
+<P>
+"Got enough?" asked his chum, invitingly.
+</P>
+
+<P>
+"You mean of course for to-night only, because you'd never think of
+such a thing as giving up the game so early, Bob?"
+</P>
+
+<P>
+"Well, I was only going to make a little suggestion," returned the
+other.
+</P>
+
+<P>
+"Hit her up, then; though perhaps I could guess what it's like, Bob."
+</P>
+
+<P>
+"All right then. You know what I mean&mdash;and that since we're away up
+here, we might as well make up our minds to hunt an overhanging ledge,
+and take a nap. But say, what're you sniffing that way for, Frank?"
+</P>
+
+<P>
+"Just imagined that I got a faint whiff of smoke; but of course it was
+all in my eye," replied the other.
+</P>
+
+<P>
+"Was it? I tell you I had a scent of it myself right then," declared
+the taller lad, showing signs of considerable excitement.
+</P>
+
+<P>
+"Seems to come and go, then, for I don't get it any more. What was it
+like, Bob? Did you ever smell sulphur burning?"
+</P>
+
+<P>
+"Lots of times, and helped to use it too, disinfecting," replied Bob,
+readily. "Spent months with my uncle, who is a doctor in Cincinnati,
+during an epidemic, and he often had to clean out rookeries just to
+stamp out the disease. But this wasn't any sulphur odor I caught,
+Frank."
+</P>
+
+<P>
+"Then you could recognize it; eh?" asked his chum.
+</P>
+
+<P>
+"It was burning wood, I give you my word for that," replied Bob, firmly.
+</P>
+
+<P>
+"Hum. That sounds more like it. We'll let the volcano matter sizzle
+for a little while, and look around for something smaller. Burning
+wood must mean a fire, Bob!"
+</P>
+
+<P>
+"That's what they say, always; where there's smoke there must be fire.
+But it seems to me we ought to see such a thing on this black night,
+Frank."
+</P>
+
+<P>
+"Unless it's hidden, as we make our cooking fire; or else the blaze is
+at the last gasp. Then, after all, we may have been a little off about
+that light we saw," Frank continued.
+</P>
+
+<P>
+"The one we said was a lantern? Then you think, now, it might have
+been a fire?" questioned the Kentucky lad.
+</P>
+
+<P>
+"Well, I just don't know what to think. But let's look around a bit,
+and see if we can locate this fire," Frank suggested.
+</P>
+
+<P>
+After moving around for a short time as well as the darkness allowed
+the two boys came together again.
+</P>
+
+<P>
+"No luck, eh?" questioned Frank.
+</P>
+
+<P>
+"Didn't find a thing; but I stumbled over a creek and came near taking
+a header down-grade that would have made that plunge of Peg's take a
+back seat. Just in the nick of time I managed to grab a little tree.
+Phew! it shook me up, though," and Bob rubbed one of his shins as
+though he might have "barked" it at the time of the encounter.
+</P>
+
+<P>
+"Same here; only I didn't happen to fall," replied Frank.
+</P>
+
+<P>
+"So it seems as if we were no better off than before," remarked Bob,
+dejectedly.
+</P>
+
+<P>
+"We've learned where the fire isn't, if that's any satisfaction to us,"
+chuckled his chum, trying to make the best of a bad bargain.
+</P>
+
+<P>
+"And that smoke smells so meaning-like, it's sure a shame we can't just
+get a line on where it comes from," Bob went on to say.
+</P>
+
+<P>
+Frank seemed to catch a significance in his words, for he turned
+sharply on his companion, saying:
+</P>
+
+<P>
+"Look here, have you been getting a whiff of it again, Bob?"
+</P>
+
+<P>
+"Why, yes, several of 'em in fact, Frank," replied the other, in what
+seemed to be a surprised tone. "But what does that matter, when
+neither of us can find any fire around? I sniffed and sniffed, but
+although I just turned my eyes in every direction not even a tiny spark
+could I see. And that happened just three times, Frank."
+</P>
+
+<P>
+"What! do you mean you smelled smoke three separate times since you
+left me?" demanded the saddle boy.
+</P>
+
+<P>
+"I'm sure it must have been three, because it was between the first and
+second times that I tripped. Yes, and always in just the same place
+too, which was queer enough."
+</P>
+
+<P>
+"That sounds kind of encouraging, Bob," declared Frank.
+</P>
+
+<P>
+"Do you think so?" asked the other, puzzled to account for Frank's
+newly awakened interest. "Tell me why, won't you, please, Frank?"
+</P>
+
+<P>
+"Sure, after you have answered me a question," Frank promptly remarked.
+</P>
+
+<P>
+"All right, let's have it, then," his chum returned.
+</P>
+
+<P>
+"Do you think you could find that exact spot again?" asked Frank.
+</P>
+
+<P>
+"Meaning where I sniffed that smoke each time? Why, I guess I can,
+because I went back there twice, all right. Couldn't be quite
+satisfied that there wasn't <I>something</I> around there I ought to
+discover. But it turned out a fizzle, Frank."
+</P>
+
+<P>
+"Perhaps it wouldn't be so unkind to me, though," the Western boy
+declared. "Take me to that place, Bob, and right away. It strikes me
+I'd just like to get another little whiff of that same wood smell,
+myself. It wouldn't be the first time I'd followed up a smoke trail."
+</P>
+
+<P>
+"Gracious! that sounds interesting, and I hope you can do it, Frank!"
+breathed Bob, his admiration for his chum awakening once more.
+</P>
+
+<P>
+"First of all, get me to that place. Lead off, and I'll be close at
+your heels. And, Bob, don't forget that spot where you came near
+having your tumble. Keep your level head about you."
+</P>
+
+<P>
+"I'll sure try to, Frank. Come on then."
+</P>
+
+<P>
+Bob led the way through the darkness. Although he had been out West
+for so short a time Bob Archer was rapidly learning the ways practiced
+by those who live close to Nature. He began to observe always all that
+he saw, and in such a way that he could describe it again, in every
+detail.
+</P>
+
+<P>
+And so it chanced that, having marked his course when coming back after
+his unsuccessful search for the fire, he was able, not only to lead his
+comrade thither, but to warn him every time they approached a dangerous
+slide, where a trip might hurl one some hundreds of feet down the face
+of Thunder Mountain.
+</P>
+
+<P>
+"Here is the place, Frank," Bob suddenly said, in a cautious whisper.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap13"></A>
+<H3 ALIGN="center">
+CHAPTER XIII
+</H3>
+
+<H3 ALIGN="center">
+THE SMOKE TRAIL
+</H3>
+
+
+<P>
+"Are you sure of it?" asked Frank, in the same low voice.
+</P>
+
+<P>
+"Why, try for yourself, and see if you can't get a whiff of smoke right
+now," Bob replied.
+</P>
+
+<P>
+"You're right, because I caught it just then; but I reckon the wind
+must be changing some, for it's gone again," Frank remarked.
+</P>
+
+<P>
+"You never spoke truer words, Frank, because I can hear the breeze
+beginning to shake the leaves in the trees up yonder, and it wasn't
+doing that before."
+</P>
+
+<P>
+Bob pointed upwards as he said this cautiously. And Frank, always
+watchful, noticed a certain fact. The trees were so situated that they
+could be said to lie almost in a direct Southeast line from where he
+and Bob stood! This might appear to be a very small matter, and hardly
+worthy of notice; but according to Frank's view it was apt to prove of
+considerable moment, in view of what was likely to follow.
+</P>
+
+<P>
+"Well, as the smoke's gone again, let's see if we can locate it by
+moving a little this way," and Frank led off as he spoke, with Bob
+following.
+</P>
+
+<P>
+Both lads were very cautious now. Even Bob, greenhorn as he was, so
+far as Western ways were concerned, understood the need of care when
+approaching a camp that might be occupied by enemies. And as for
+Frank, he had not been in the company of an old ranger like Hank Coombs
+many times without learning considerable.
+</P>
+
+<P>
+They had not been moving in the new direction more than five minutes
+when Bob reached out his hand and clutched the sleeve of his chum's
+jacket.
+</P>
+
+<P>
+"What is it?" asked the leader, stopping short, and crouching there.
+</P>
+
+<P>
+"I got it again, Frank," whispered the Kentucky boy, eagerly.
+</P>
+
+<P>
+"Sure," replied his comrade, immediately. "Why, I've been smelling
+smoke for more'n a whole minute now. And I'm following it up, foot by
+foot."
+</P>
+
+<P>
+"Oh!" murmured Bob, taken aback by this intelligence.
+</P>
+
+<P>
+"Don't say a word above your breath, Bob. Whoever it is can't be far
+away now. We may run in on 'em any minute, you know," and as if to
+emphasize the need of caution Frank drew his chum close while he
+whispered these words directly in his ear.
+</P>
+
+<P>
+Bob did not make any verbal reply; but he gave the other's sleeve a
+jerk that was intended to tell Frank he understood, and would be
+careful. Then they moved along again.
+</P>
+
+<P>
+It was no easy task making progress through the darkness, and over such
+rough grounds, without causing any sound. Bob found that he had almost
+to get down on his hands and knees and creep, in order to accomplish
+it. But his chum had not forgotten that he was new to this sort of
+business, and hence he gave Bob plenty of time.
+</P>
+
+<P>
+Then Bob in turn began sniffing, and Frank knew that now he, too, had
+caught the trail-odor, which was constantly becoming stronger. Thus
+they were positive that while they moved forward they must be gradually
+drawing nearer the source of the smoke.
+</P>
+
+<P>
+Another tug came at Frank's sleeve, at which signal he bent his head
+low so that his chum might say what he wanted in his ear.
+</P>
+
+<P>
+"Sounds like voices!" whispered the excited Kentucky lad.
+</P>
+
+<P>
+Frank gave a little affirmative grunt.
+</P>
+
+<P>
+"Rustlers, maybe?" Bob went on.
+</P>
+
+<P>
+The other made a low sound that somehow Bob seemed to interpret as
+meaning a negative to his question.
+</P>
+
+<P>
+"Then prospectors&mdash;Lopez and his bunch?"
+</P>
+
+<P>
+"Uh!" Frank replied; and then himself lowering his lips to the ear of
+Bob he went on: "What's the matter with Peg and his crowd? They might
+have got up here ahead of us. Quiet now!"
+</P>
+
+<P>
+Bob did not attempt to say another word. He had new food for thought.
+Yes, to be sure, Peg and his two cowboy guides had had plenty of time
+to climb that far up the side of Thunder Mountain. If they had taken
+daylight for the task of course they avoided the danger of getting
+lost, such as had overtaken the saddle boys. And if the nerve of
+Spanish Joe and Nick Jennings continued to hold out, when strange
+things began to happen, the boastful tenderfoot from the East stood a
+chance of making a discovery.
+</P>
+
+<P>
+As the two crept closer, on hands and knees, they could hear the murmur
+of voices grow louder, even though the speakers were evidently talking
+in low tones. While the experience was altogether new to Bob, he
+enjoyed it immensely. Why, after all, it was not so very hard to place
+his hands and knees in such fashion that he felt able to move along
+almost as silently as a snake might have done.
+</P>
+
+<P>
+Now he was even able to locate the spot from which the murmur of voices
+came. Yes, and when he looked closer he saw a tiny spark that glowed
+regularly, just as a firefly might sparkle every ten seconds or so.
+</P>
+
+<P>
+Bob solved that little mystery easily. Of course it was Spanish Joe,
+smoking one of the little cigarettes which he was so frequently rolling
+between his fingers.
+</P>
+
+<P>
+To be sure, the odor of tobacco smoke mingled with that of burning
+wood. And if Spanish Joe, why not the other cowboy who was in bad
+repute among the ranches; yes, and Peg himself?
+</P>
+
+<P>
+Bob began to wonder what the programme of his chum might be. Surely
+they would not take the chances of crawling up much closer now. If
+discovered they would run the risk of being fired upon; and besides,
+there was no necessity for such rashness.
+</P>
+
+<P>
+Then Bob discovered that when the wind veered a little, as it seemed to
+be doing right along, he could actually catch what was being said.
+</P>
+
+<P>
+Peg was talking at the time, and grumbling after his usual manner about
+something or other.
+</P>
+
+<P>
+"Ten to one the fellow's gone and deserted us, Nick!" he remarked,
+suspicion in every word.
+</P>
+
+<P>
+Apparently the lounging cowboy did not share in his opinion, for he
+laughed in a careless way as he drawled out:
+</P>
+
+<P>
+"Oh! I reckon not, Peg. Me and Joe has hit up the pace fur some years
+in company, and I knows him too well to b'lieve he'd break loose from a
+soft snap like this here one. Jest lie low, an' he'll be back. Let's
+hope Joe's found out somethin' wuth knowin'."
+</P>
+
+<P>
+"But he's been gone nearly an hour now," complained Peg.
+</P>
+
+<P>
+"What of that? It ain't the easiest thing gettin' around on this rocky
+ole mounting in the pitch dark, let me tell ye, Peg," Nick remarked;
+and by the way he seemed to puff between each few words, Bob understood
+that it must be Nick who was using the cigarette, and not Spanish Joe.
+</P>
+
+<P>
+"Say, that's so," admitted Peg, as if a new idea had come to him.
+"Perhaps he's slipped, and fallen down into one of those holes you
+showed me when we were coming up!"
+</P>
+
+<P>
+This also amused the cowboy, for he chuckled again.
+</P>
+
+<P>
+"Too easy an end for Spanish Joe," he said, carelessly. "Born fur the
+rope, and he can't cheat his fate. Same thing's been said 'bout me.
+Don't bother me none, though, and sometimes it's a real comfort;
+'specially when a landslide carries ye down the side of a mounting like
+a railroad train, like I had happen to me. Nawthin' ain't agoin' to
+hurt ye if so be yer end's got to come by the rope."
+</P>
+
+<P>
+"A landslide! Do they often have that sort of thing out here?" asked
+Peg, showing some anxiety, as though he had read about such terrible
+happenings, and did not care to make a close acquaintance with one.
+</P>
+
+<P>
+"Sure we does, every little while," remarked Nick, cheerfully. "Why,
+jest last year the hull side of a peak 'bout forty mile north of here
+broke away, and a Injun village was wiped out. Never did hear anything
+from a single critter after that slip bore down on 'em."
+</P>
+
+<P>
+"It might happen here on Thunder Mountain, too, couldn't it, Nick?"
+pursued Peg, as if the subject, with all it pictured to his active
+mind, held his interest gripped in such a fashion that he could not
+shake himself free.
+</P>
+
+<P>
+"Easiest thing goin', Peg. And let me tell ye, if it ever do happen
+here, thar's agoin' to be a slide to beat the band!" Nick asserted,
+positively.
+</P>
+
+<P>
+"But what makes you say that, Nick?" demanded the boy.
+</P>
+
+<P>
+"Oh! lots of people says the same thing," replied the other, as if
+carelessly.
+</P>
+
+<P>
+"That a landslide is going to start things going on Thunder Mountain
+any time&mdash;is that what you mean?" Peg insisted on repeating.
+</P>
+
+<P>
+"Any day, er night. Things have been lookin' that way for some time
+now. I reckon she's due with the next big cloud-burst that sails this
+way."
+</P>
+
+<P>
+It was evident that, for some reason, Nick was trying to frighten his
+young employer. Perhaps he himself really wished to get away from the
+mountain with the bad name; and took this means of accomplishing his
+end without showing his hand. If that were true, then he was gaining
+his end, for Peg certainly gave evidence of increasing uneasiness.
+</P>
+
+<P>
+"But why didn't you tell me all this before?" he demanded, indignantly.
+</P>
+
+<P>
+"What was the use, boss? Ye was sot on comin' here, and ye made Joe
+and me a rattlin' good offer. 'Sides, it didn't matter much to me. I
+had my life insured. A rope might have skeered me; but say, I don't
+keer that for landslips," and Nick snapped his fingers contemptuously.
+</P>
+
+<P>
+But Frank, who knew the sly cow puncher so well, believed that more or
+less of his indifference was assumed.
+</P>
+
+<P>
+"Well, I do!" declared Peg, with emphasis; "and if I'd only known about
+that sort of thing before, blessed if I'd a come. I've heard what
+happens when the side of a mountain tears away, and how everything in
+the path goes along. They showed me the bare wall where one broke
+loose up in Colorado. Say, it was the worst sight ever. You'll have
+to excuse me from nosing around here another day, if that sort of thing
+is hanging over this place. Me for the ranch on the jump. Get that,
+Nick?"
+</P>
+
+<P>
+"Oh! now, what's the use botherin'? Chances are three to one they
+ain't agoin' to be any sech upsets as that yet awhile," the cowboy said.
+</P>
+
+<P>
+"Only three to one!" burst out Peg. "All right, you can stick it out
+if you want, and I'll pay you all I agreed; but just you understand,
+Nick Jennings, when to-morrow comes, I want you to get me down on the
+prairie, where I can make a blue streak for the X-bar-X ranch house."
+</P>
+
+<P>
+"But ye sed as how ye was detarmined to find out what made them roarin'
+n'ises, up here on old Thunder Mountain!" protested the guide, although
+he evidently expressed himself in this way only to further arouse the
+obstinate boy.
+</P>
+
+<P>
+"I've changed my plans, that's all," Peg announced. "Any fellow can do
+that. It's always the privilege of a gentleman to alter his mind. I'd
+like to crow over Frank Haywood and that greenhorn chum of his mighty
+well; but I ain't going to run the chance of being carried down in a
+landslip just for that. Huh! I guess not! What I said, stands, Nick.
+And I hope the old slide comes while those two chaps are on the
+mountain; yes, and gives them a dandy free ride, to boot!"
+</P>
+
+<P>
+"Oh! jest as ye say, Peg! I'm willin' to do anythin' to please ye.
+But p'raps we ain't goin' to git off so easy arter all," remarked Nick,
+suggestively.
+</P>
+
+<P>
+"Now, what do you mean by hinting in that way? And I've noticed you
+twisting your neck to look up at the sky more'n a few times. Think
+it's going to rain, do you?" demanded Peg.
+</P>
+
+<P>
+"Don't <I>think</I> nawthin' 'bout it; I <I>know</I> it be." And, Nick added,
+with emphasis, "I reckons as how it'll be jest a <I>screamer</I> when she
+comes."
+</P>
+
+<P>
+"A storm, you mean?"
+</P>
+
+<P>
+"A howler. Allers does when the wind backs up that way into the
+sou'east. 'Sides, if so be ye air still sot on findin' out what makes
+that thunder up this ways, p'raps ye'll have the chanct to look into
+the same afore long, Peg."
+</P>
+
+<P>
+"Oh! was that what I felt just now?" cried the boy, scrambling to his
+knees. "It seemed to me the old mountain was trembling just like I did
+once, when I had the ague. And Nick, I believe you're more'n half
+right, because I sure heard a low grumble just then, like far-away
+thunder. I wish I hadn't been such a fool as to come up here. Never
+get me doing such a silly thing again as long as I live. Listen! It's
+coming again, Nick, and louder than before. Don't you feel how the
+ground shivers? Perhaps there's going to be a terrible landslip right
+now! Do you think so, Nick?"
+</P>
+
+<P>
+Frank and Bob, crouching close by, had also felt that quiver under
+them. It gave the saddle boys a queer feeling. When the solid earth
+moves it always affects human kind and animals in a way to induce fear;
+because of the confidence they put in the stability of the ground.
+</P>
+
+<P>
+And then there arose gradually but with increasing force a deep
+terrible rumble.
+</P>
+
+<P>
+Thunder Mountain was speaking!
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap14"></A>
+<H3 ALIGN="center">
+CHAPTER XIV
+</H3>
+
+<H3 ALIGN="center">
+A CALL FOR HELP
+</H3>
+
+
+<P>
+"Oh! what shall we do, Nick?" cried Peg.
+</P>
+
+<P>
+His voice was now quivering with fear. Evidently whatever little
+courage the fellow possessed, or the grit which had caused him to start
+upon this mission of attempting to discover the cause of the mystery
+connected with Thunder Mountain, had suddenly disappeared.
+</P>
+
+<P>
+"Nawthin' 'cept stick it out, I reckons," replied Nick Jennings.
+</P>
+
+<P>
+The superstitious cowboy was more or less anxious, himself. Frank,
+eagerly listening, could tell this from the way in which the fellow
+spoke. But Nick did not mean to fall into a panic. To try and rush
+down the precipitous side of that mountain in the dark would be
+madness. And with all his faults Nick was at least smart enough to
+understand what it meant by "jumping from the frying pan into the fire."
+</P>
+
+<P>
+Another roar, louder than any that had yet broken forth, interrupted
+the excited conversation between the son of the mining millionaire and
+his guide. The whole mountain quivered. Bob himself was much
+impressed, and began to wonder more than ever what it could mean.
+</P>
+
+<P>
+The noise died away, just as thunder generally does, growing fainter,
+until silence once more brooded over that wonderful mountain. Then
+again the two crouching lads caught the complaining voice of Peg.
+Bully that he was under ordinary conditions, he now showed his true
+colors. That awful sound, coming from the heart of the rocky mountain,
+as it seemed, had terrified Peg.
+</P>
+
+<P>
+But Frank was not surprised, for he had all along believed that a
+fellow who could lift his hand to strike a small girl must be a coward
+at heart, no matter how much he might bluster and brag.
+</P>
+
+<P>
+"This is terrible, Nick!" exclaimed Peg. "Can't you think of some way
+we might get out of this? Oh! I'd give a thousand dollars right now
+if only I was safe down on the plains again! What a fool I was to come
+here!"
+</P>
+
+<P>
+"Well," drawled Nick, possibly with a touch of real envy in his voice,
+"I'd like right smart to 'arn that thousand, sure I would, Peg. But
+hang me if I kin see how it's agoin' to be done. We can't slide down;
+walkin's a risky business, and likely to take hours; an' right now I
+don't feel any wings asproutin' out of my shoulders, even if you do."
+</P>
+
+<P>
+"Oh stop joking, Nick, and talk sense," complained Peg. "We've just
+got to do something. Why, the old mountain might take a notion to
+slide, and carry us along with it."
+</P>
+
+<P>
+"I sure hopes not, at least right now," replied Nick, uneasily. "But I
+do reckons as how we're agoin' to git that storm afore mornin'."
+</P>
+
+<P>
+"But see here, Nick," Peg went on, anxiously; "didn't you notice
+anything when you were leading me up here like a lamb to the slaughter?
+I mean, you ought to have seen whether this side of the old mountain
+was more likely to drop off than any other."
+</P>
+
+<P>
+"Ye never kin tell nawthin' about such things," returned the cowboy.
+"Reckons all we kin do is to root around, an' see if we might find some
+sorter cave, where we'd be safe from the rain, if so be she comes arter
+a while."
+</P>
+
+<P>
+"A cave!" echoed the other, as though startled. "What under the sun do
+we want to get inside the mountain for? Don't you understand that all
+that noise is coming <I>out</I> of this old thing? I tell you, I believe it
+is a volcano, just as they told me, and perhaps she's going to break
+loose this very night!"
+</P>
+
+<P>
+"Hey! what ye a sayin' that for?" demanded Nick. "Supposin' she is
+what ye tell, that ain't any reason the explosion's got to come this
+particular night, is it? She's kept on a growling for a hundred year
+now, an' nawthin's happened. Reckons it ain't agoin' to come off jest
+acause we pilgrims happens to be up here."
+</P>
+
+<P>
+"But you said we ought to find a cave, and go in, Nick," continued the
+youth. "Suppose we do, and the sulphur fumes suffocate us? They must
+be just awful inside the mountain. This is a nice pickle for me to get
+into! If I stay out here I'm in danger of being drowned, or swept away
+by a landslide; if I go inside there's all the chance in the world that
+I'll be soaking in poisonous sulphur gas till I keel over. I'm up
+against it good and hard."
+</P>
+
+<P>
+"We're all in the same boat, remember, Peg," declared the cowboy.
+</P>
+
+<P>
+"But you knew more about this thing than I did, Nick. Why'd you let me
+come? It was all a fool business, and you're most to blame," protested
+Peg.
+</P>
+
+<P>
+"Aw! let up on that kind of talk, will ye?" growled the cowboy, who was
+himself losing his respect for his employer, owing to the presence of
+those things which he did not understand, and the nearness of which
+aroused his own fears.
+</P>
+
+<P>
+"I will, Nick; only get me out of this hole safe and sound, and I give
+you my word I'll pay you that thousand dollars. But where do you
+suppose Joe can be all this time? Has he run away, or dropped over
+into one of those pits we saw on the way up here? I wish he'd show up.
+Three would be better than two; and perhaps Joe might have a plan for
+us to get out of this."
+</P>
+
+<P>
+Again did the low grumbling sound begin again, and silenced the
+conversation between Peg Grant and his cowboy guide, every word of
+which had come distinctly to the ears of the crouching saddle boys near
+by.
+</P>
+
+<P>
+The rumble grew rapidly in volume, until once more the whole great
+mountain seemed to tremble. Bob was shivering partly from the
+excitement, and because he felt a touch of alarm.
+</P>
+
+<P>
+But he could not help noticing the actions of his chum. When the
+thunderous roar was about at its height Frank had thrown himself flat
+on the ground. Bob could not see what he was doing, but his groping
+hand came in contact with the head of his comrade; and he discovered
+that it rested on the ground, with one ear pressed to the rock.
+</P>
+
+<P>
+Frank was listening!
+</P>
+
+<P>
+He knew how the ground carried sounds more distinctly than the air, and
+evidently he hoped to discover something concerning the thunder by this
+method of wireless telegraphy.
+</P>
+
+<P>
+Then, as the volume of sound gradually decreased, just as a lion's roar
+dies away, Bob discovered that Peg and Nick were undoubtedly moving
+off. He supposed that Nick had made up his mind to hunt for an
+outcropping ledge, or some friendly opening, where he could be
+sheltered from the storm; and as Peg dared not stay alone, he was
+compelled to accompany his guide. The complaining voice of the rich
+man's son could be heard for a minute or so. Then even that ceased.
+</P>
+
+<P>
+"They're gone, Frank!" exclaimed Bob.
+</P>
+
+<P>
+"Yes, I know it," replied the other, as he arose from his position flat
+on the rocks. "And Peg is badly rattled, too. Say, I always told you
+he lacked real grit, and this proves it. He's scared at that noise.
+Think of him wanting to fly down to the plain! I reckon he's had about
+all of the exploring he wants. It's 'take me back to my daddy!' now
+with Peg."
+</P>
+
+<P>
+"Well," remarked Bob, with a sigh, "I don't blame him so very much,
+Frank. I tell you what, that noise is enough to give anybody fits.
+I'm all of a tremble myself, and I'm honest enough to admit it."
+</P>
+
+<P>
+"That's all right, Bob," replied his chum, quickly; "but are you ready
+to give the game up here and now?"
+</P>
+
+<P>
+"Who, me?" answered the Kentucky boy, instantly; "well, I should say
+not&mdash;not by a long sight! No matter what comes, I'm ready to stick it
+out on this line if it takes all summer!"
+</P>
+
+<P>
+"Just what I thought," chuckled Frank. "That's what makes all the
+difference between a brave fellow and a coward. Why, to tell you the
+truth, Bob, I'm shaking all over right now myself; but it isn't with
+fear. I'm excited, curious, and worked up; so are you. When you say
+you don't want to back out it tells the story that you're not afraid."
+</P>
+
+<P>
+"But it wouldn't make any difference, Frank, seeing that we couldn't
+get away from here, even if we wanted to just now," remarked Bob.
+</P>
+
+<P>
+"That's so," returned his chum; "just as Nick said; we're here, and
+we've just got to stick it out, no matter what comes."
+</P>
+
+<P>
+"But do you take any stock in what Peg said about an avalanche?" asked
+Bob.
+</P>
+
+<P>
+"Mighty little," Frank replied. "This mountain is made up mostly of
+solid rock. That's what makes lots of people believe in the volcano
+idea. A slide would be hard to start here, and it just couldn't carry
+much along with It. Where mountains have sides made up of earth and
+loose rocks, that happens sometimes."
+</P>
+
+<P>
+"I'm glad to hear that," remarked the other. "But there comes another
+shake. Whew! feel how she trembles, Frank! Whatever sort of power can
+it be that makes this noise and shivering sensation?"
+</P>
+
+<P>
+Frank waited until the convulsion had passed before replying.
+</P>
+
+<P>
+"I've got a strong suspicion, Bob," He said, finally; "and it's
+something that came into my mind since <I>feeling</I> the sound, for that's
+the only way I can express it. Now, what does it make you think of,
+most of all?"
+</P>
+
+<P>
+"I did think it was thunder," declared Bob; "but now it seems to me the
+only thing I can compare it to is the beating of the terrible billows
+against the coast away up in Maine, when a fierce northeast storm is
+blowing. They seemed to make the rocks quiver just as this does now."
+</P>
+
+<P>
+If Frank had intended to reply to this remark he was prevented by
+something unexpected that happened just then. This time it was not the
+furious roar of the unknown force within the mountain that disturbed
+him; but a cry that rang out shrilly.
+</P>
+
+<P>
+"Help! Help!"
+</P>
+
+<P>
+Bob clutched his companion's arm.
+</P>
+
+<P>
+"Something has happened to Peg!" he exclaimed. "Perhaps the guide has
+thrown him over, and he's lost, and scared nearly to death!"
+</P>
+
+<P>
+But Frank was more accustomed to reading voices in the open than was
+his chum.
+</P>
+
+<P>
+"No, you're wrong there!" he cried, "that's Spanish Joe yelping; and he
+must be in a bad hole to call for his companions. Come on, Bob, we've
+just got to see what we can do to help him. Rascal that he is, he's
+human. Follow me!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap15"></A>
+<H3 ALIGN="center">
+CHAPTER XV
+</H3>
+
+<H3 ALIGN="center">
+SPANISH JOE DROPS A CLUE
+</H3>
+
+
+<P>
+"Where can he be, Frank?" cried Bob, after they had been climbing for
+several minutes up the side of the rough mountain, almost groping their
+way, such was the darkness around them.
+</P>
+
+<P>
+"Listen!"
+</P>
+
+<P>
+"Help! Nick, this way, quick, or I'll go under!" came a shrill shout,
+only a little way above them.
+</P>
+
+<P>
+They started for the spot; but before they had taken half a dozen steps
+once more the thunderous sound was heard; and under them the mountain
+quivered. As the boys were not more than human, it was only natural
+that they should halt until the convulsion had passed. Bob could not
+help clutching a spur of rock as though he feared that something
+dreadful was about to happen.
+</P>
+
+<P>
+As the roaring noise began to die out the boys caught the cries of
+Spanish Joe once again. He seemed to be nearly frantic with fear, and
+was calling upon his cowboy crony not to forsake him in his extremity.
+</P>
+
+<P>
+"It's going to tumble on me the next shake! Hurry, Nick, or I'm a
+goner!" they heard him pleading.
+</P>
+
+<P>
+"Whatever can have happened to him?" asked Bob, awed by the exciting
+incidents by which they seemed to be surrounded.
+</P>
+
+<P>
+"I reckon he's caught in some sort of trap, judging from his talk,"
+Frank sent back over his shoulder; for both of them were climbing
+upward as rapidly as the conditions allowed.
+</P>
+
+<P>
+It was no wonderful feat for Frank to make straight for the spot where
+the loud voice came from. He had located it; and even when Joe ceased
+calling for a minute or two, Frank was able to continue right on.
+</P>
+
+<P>
+Apparently the cowman had heard some sound that told him of their
+coming. That accounted for his silence, since he was listening
+eagerly. And of course he fully expected that it must be Nick Jennings
+hastening to his assistance, perhaps with Peg at his heels. At least
+his words would indicate as much, when he cried again.
+</P>
+
+<P>
+"Hurry, boys! There ain't any too much time. This way, right straight
+ahead! Oh! I'm in a hole, I tell ye. Ye ain't stopping, are ye?
+Come on! come on!"
+</P>
+
+<P>
+They were now close to where the speaker must be located. Frank was
+already straining his eyes to make out his figure, so as to get some
+idea as to the nature of the new task that confronted them.
+</P>
+
+<P>
+He presently could make out some object that squirmed and tugged
+between groans.
+</P>
+
+<P>
+Then he knew that his first guess was probably correct. Spanish Joe,
+in making his way along over the rocks, had in some way managed to
+catch his foot in a crack, and was unable to get it out again. Perhaps
+the more he struggled the firmer it became fastened. And, considering
+the surroundings, his fright could hardly be wondered at.
+</P>
+
+<P>
+So Frank crept up alongside the prisoner of the rock.
+</P>
+
+<P>
+"It's my leg, Nick," cried the man, eagerly. "I can't get it loose and
+I've twisted and pulled till it's near jerked out of the socket. See
+if ye can't do somethin'. Every time she shakes, that rock up there
+just starts to drop down on me! If it comes I'll be smashed."
+</P>
+
+<P>
+Frank knew Spanish Joe. The man from across the Rio Grande had worked
+on the Circle Ranch for many months, until he was discharged after
+being caught in the suspicious business of conveying information to the
+cattle rustlers.
+</P>
+
+<P>
+"Wait 'till I strike a match, so I can see what things look like,"
+Frank said.
+</P>
+
+<P>
+And as the match suddenly flared up the dark-faced Spanish-American
+stared with astonishment into the countenance of the one who had come
+in answer to his frantic calls for assistance.
+</P>
+
+<P>
+"You, Senor Frank?" he exclaimed.
+</P>
+
+<P>
+"Sure," replied the rancher's son, as he bent over to examine the way
+in which the prisoner's foot had become caught.
+</P>
+
+<P>
+Although the match only shone for a few seconds, Frank's quick eyes had
+sized up the situation.
+</P>
+
+<P>
+"How is it, Senor Frank; can you get me out, <I>camerado</I>?" asked Joe,
+with a quiver in his voice.
+</P>
+
+<P>
+Something of a desperado the man might be under ordinary conditions;
+but just then, when facing death, he proved very tame indeed.
+</P>
+
+<P>
+"I reckon I can, Joe, if that tottering rock up there only holds off
+long enough. Let's hope it will. Now, do just what I tell you; and
+when I say pull, again, get busy for all you're worth!"
+</P>
+
+<P>
+While Frank was talking he had been manipulating the foot of the
+Mexican, who had worked so long on American ranches that he had lost
+much of his national ways, though retaining a few of the
+characteristics of dress that always distinguish his kind.
+</P>
+
+<P>
+Frank himself was not wasting time. He did not like the looks of that
+over-hanging rock any too well. It seemed to be about ready to crash
+down, and when it did come the result would be disastrous to anything
+human caught underneath; for it surely weighed many tons.
+</P>
+
+<P>
+"Now, draw easily at first, and then increase gradually," Frank said.
+"I'll hold onto the foot, and keep it in this position. I think that's
+the way it first slipped into the crack!"
+</P>
+
+<P>
+Spanish Joe eagerly obeyed. He groaned several times as he felt his
+leg hurt, but desperation lent him new determination; for if this
+attempt failed, as others had done, he believed that he was doomed.
+</P>
+
+<P>
+Suddenly the foot came free. Joe fell over on the ground, but his last
+groan turned into a cry of delight. It was almost comical to see how
+quickly he rolled over several times, so as to get away from the danger
+zone.
+</P>
+
+<P>
+Frank, turning, clutched his companion, and also drew him back. It was
+none too soon, it seemed. As if the release of Spanish Joe might have
+been the signal for the groaning mountain to once again take up its
+strange action, they felt the quiver with which all the performances.
+seemed to begin. Then the grumble commenced, rapidly advancing into a
+fearful stage, until Bob could feel himself trembling violently because
+the rocks under him were moving.
+</P>
+
+<P>
+"There she comes!" cried Frank.
+</P>
+
+<P>
+His words were drowned in a deafening crash close by. Had Peg Grant
+been there he must have believed that the top of the mountain had blown
+off, and that fire and boiling lava would immediately begin to pour
+down the sides. But Bob had not forgotten about that swaying rock.
+And he understood that it had fallen with a crash just at the spot
+where the three of them stood a minute before.
+</P>
+
+<P>
+"What a narrow escape!" exclaimed Frank, after the clamor had in some
+measure died away again.
+</P>
+
+<P>
+"Oh! I should say it was," echoed Bob, feeling quite weak as he
+realized what must have happened to them had they not gotten away in
+time.
+</P>
+
+<P>
+"How about your leg, Joe; can you walk?" asked Frank, turning to the
+cowman, who was scrambling to his feet close by.
+</P>
+
+<P>
+"Seems like I can, Senor Frank. But it was a close call for Spanish
+Joe. Only for you coming, where would I be right now? Let us get away
+from here!" exclaimed the man, limping around as he tried his crippled
+limb.
+</P>
+
+<P>
+"You are free to go, if you want, Joe," remarked Frank; "but Bob and
+myself mean to stick it out. We came here to learn the cause of all
+this racket, and we'll do it, or know the reason why."
+</P>
+
+<P>
+"Excuse me, <I>companero</I>, I know when I have had enough. This mountain
+is surely bewitched. There must be an evil spirit living inside. Do I
+not know it? And even the door is guarded by demons that spring at a
+man and tear him. My clothes, once so handsome, Senors, are torn into
+tatters, just because Joe, he was fool enough to step into that black
+opening above!"
+</P>
+
+<P>
+Frank started as he heard the Mexican say this. It seemed to him that
+possibly here was a clue worth following up.
+</P>
+
+<P>
+"Tell us what you mean, Joe," he asked, quickly. "What black opening
+did you try to enter; and what happened to you, <I>amigo</I>? We have done
+you a service, saved your life, perhaps. In return, tell us this."
+</P>
+
+<P>
+"It is little enough, Senor Frank. Up above, not more than seventy
+feet from here, lies a hole in the ground. I was looking for shelter
+from the storm, because Senor Peg wished it. I entered. Hardly had I
+taken ten steps than something flew at me. I think it was a demon, for
+it had sharp claws, and I thought I could smell brimstone and sulphur.
+Just then the mountain yawned, and what with the terrible noise, and
+having to fight off that unseen enemy, I climbed out of there fast, but
+with all my fine clothes ruined. That was why I came down the side of
+the mountain in such haste that I caught my foot. I thought that fury
+was chasing me. Nothing in this wide world could tempt Spanish Joe to
+go back there. The storm, it is a joke besides that terror of the
+darkness!"
+</P>
+
+<P>
+If he expected to alarm Frank, the Mexican cowman mistook the character
+of the boy. Frank believed that the fellow's fears had made him
+imagine more than half of what he declared had happened to him.
+</P>
+
+<P>
+"Well, we leave you here, then, Joe," the boy remarked, sturdily;
+"because we're going to find that cave, and see what lies inside it.
+If you want to come along, all right; if not <I>adios</I>!"
+</P>
+
+<P>
+He turned and started to climb, Bob tagging at his heels. But Spanish
+Joe could not bring himself to accept the invitation. He looked after
+the disappearing figures of the two saddle boys, and shook his head.
+</P>
+
+<P>
+"No, not for Joe," he muttered. "He knows when he has had enough.
+Money could not drive him to enter there again, and meet that unseen
+thing. Out here the danger can be understood, but Joe he takes off his
+hat to the young Senors; for grit they surely possess. <I>Adios</I>, Senor
+Frank; but I doubt much whether we ever meet again."
+</P>
+
+<P>
+But staunch of heart, Frank was leading the way upward, determined to
+accept of the challenge which the cowboy's due seemed to throw at his
+feet.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap16"></A>
+<H3 ALIGN="center">
+CHAPTER XVI
+</H3>
+
+<H3 ALIGN="center">
+THE VENT HOLE IN THE WALL
+</H3>
+
+
+<P>
+The way grew rougher with every yard they traversed. How Spanish Joe
+had come dashing down over this ground at headlong speed without
+breaking his neck was a puzzle.
+</P>
+
+<P>
+Frank was feeling his way along carefully when he heard Bob call his
+name. The rattle of falling shale at the same time gave him a pretty
+strong suspicion as to what had happened.
+</P>
+
+<P>
+"Hello! what's the matter Bob?" he cried.
+</P>
+
+<P>
+"I slipped, and fell over the edge of some sort of place here," came
+back the answer. "Luckily I've managed to get hold of a rock and
+stopped my tumble. But don't waste any time lending me a hand, Frank,
+because it seems to me I feel the thing move. If another quake comes
+it'll let me drop; and perhaps the ground may be a full dozen feet
+below."
+</P>
+
+<P>
+By this time Frank had reached the edge of the drop. He remembered
+skirting it in climbing upward just a minute before; but had been more
+successful about doing so than Bob, who was less accustomed to this
+kind of work.
+</P>
+
+<P>
+Frank again had recourse to his handy match-safe. Leaning over he
+struck a match on the face of the rock. Immediately he drew a quick
+breath. It was not because he could see the face of his chum only a
+couple of feet away, as the latter clung to a spur of rocks; it was
+something else that thrilled him.
+</P>
+
+<P>
+As far down as his eyes could see there was only a black void! Instead
+of the simple dozen feet mentioned by Bob, the yawning precipice
+extended perhaps a full hundred feet downward!
+</P>
+
+<P>
+But there was no need of telling Bob that it might alarm the boy and
+cause him to weaken, so that his grip would give way.
+</P>
+
+<P>
+Frank was quick to understand what must be done. He could just touch
+the hand of his chum by bending far down; but that was not enough.
+Instantly he wrapped one leg about a sturdy, if dwarfed, little cedar
+that chanced to grow at that very spot, as if designed for the very
+purpose to which he was putting it. Then he was able to thrust himself
+still further down the face of the wall.
+</P>
+
+<P>
+"Take hold, and grip like iron, Bob," he managed to say.
+</P>
+
+<P>
+He felt the other obeying him, and thus they caught hold of hands.
+</P>
+
+<P>
+"Now, try and dig your toes into the face of the wall if you can,"
+Frank went on, calmly, so far as Bob could know. "It'll help me get
+you up. Climb over me. I've got a leg around a cedar, and nothing can
+break away. Now!"
+</P>
+
+<P>
+"Say, perhaps you'd better let me drop down." said Bob, thinking his
+comrade was going to unnecessary trouble in order to save him from a
+little jolt.
+</P>
+
+<P>
+"Climb, I tell you!" snapped Frank.
+</P>
+
+<P>
+"Oh! all right, Frank, if you say so," and Bob started to obey.
+</P>
+
+<P>
+Fortunately he was an agile lad, and a very fair climber, for the task
+which he had set himself was no ordinary one. But, by wriggling more
+or less, Bob managed to finally get a grip on the cedar. After that it
+was easy work; and having succeeded in reaching solid ground himself,
+he aided the almost exhausted Frank to draw back.
+</P>
+
+<P>
+"Whew! that was some work, now, and all because I was so silly as to
+slip over the edge of that little hole!" remarked Bob, as though
+disgusted with himself.
+</P>
+
+<P>
+"Look here," said his chum; "lean over carefully, while I drop this
+match down."
+</P>
+
+<P>
+As he struck the match, and then cast it from him it went downward
+twenty, thirty, forty feet before it was extinguished.
+</P>
+
+<P>
+"Ugh!" shuddered Bob, "why, it must be all of a thousand feet down to
+the bottom, Frank! It scares me just to think of the narrow escape I
+had."
+</P>
+
+<P>
+"Well, I reckon it's all of one hundred feet," replied Frank; "and
+that's enough to settle a fellow. But let's lie back here, and get our
+breath a bit before going on up. The cave can't be far off now, if
+what Joe said is so."
+</P>
+
+<P>
+Both of the boys were panting after their unusual exertion, and Bob was
+glad of a chance to rest for even a brief time. Besides, another burst
+of thunder was starting in, and he fancied that it was louder than any
+that had gone before; just as if they might be drawing closer to the
+place from whence all this clamor came.
+</P>
+
+<P>
+The cave that Spanish Joe had found and entered&mdash;could it have anything
+to do with the mystery of the mountain? Frank seemed to think so, and
+was bent upon ascertaining the facts.
+</P>
+
+<P>
+"Listen to that, Frank?" shouted the Kentucky lad in the ear of his
+mate, while the racket was at its height. "I can hear rocks dropping
+all around, just like the one did where Joe was grabbed by the leg. Do
+you think this always happens when the old mountain breaks loose; or is
+this an extra big celebration?"
+</P>
+
+<P>
+"I was trying to get that myself, Bob," admitted Frank; "but we can
+only guess at it, because you see, nobody's ever been up here when the
+thunder was rocking the whole range, and so we don't know. But,
+honest, now, I'm of the opinion this happens only once in a great
+while; else the mountain would have been racked to pieces long ago."
+</P>
+
+<P>
+"And just to think, we had the nerve to come here at a time when it was
+bound to do its worst," said Bob.
+</P>
+
+<P>
+"Glad of it," Frank immediately returned. "It gives us a better chance
+to learn a few things worth while. I always did like to be in where
+the roping was fastest. Are you feeling better, Bob?"
+</P>
+
+<P>
+"Oh! yes, I reckon I'm all right now," returned the other, rising.
+</P>
+
+<P>
+"Ready to go on, then?" continued Frank.
+</P>
+
+<P>
+"Try me, that's all. If I turn tail and run, don't ever speak to me
+again," came the steady, but not boastful, answer.
+</P>
+
+<P>
+"Good boy! All right, let's be off again; and be mighty careful how
+you move. There may be more of those drops lying around loose. And
+next time you mightn't be so lucky about grabbing a spur of rock."
+</P>
+
+<P>
+"That's so, Frank. Wow! but it makes me shiver to even think of it.
+Talk about Joe's narrow squeak, it wasn't any worse than mine," and Bob
+started to crawl after his better-trained chum.
+</P>
+
+<P>
+Two more evidences came to them of the violence of the unseen force
+that was making Thunder Mountain shake, before Frank stopped to let his
+chum reach his side, so that he might exchange a few sentences.
+</P>
+
+<P>
+"Looks like that might be the hole ahead," he ventured.
+</P>
+
+<P>
+"I can see something that seems blacker than the night itself; is that
+what you mean, Frank?" asked Bob.
+</P>
+
+<P>
+"Yes," his chum continued. "When Joe pointed up this way I took note
+of just the line, and followed it closely. That was why we came so
+near the precipice. And if that is the opening to the cave, we want to
+lie here and listen."
+</P>
+
+<P>
+"Why, do you really believe the racket comes out of that hole?"
+demanded Bob, astonished at the very idea of such a thing.
+</P>
+
+<P>
+"Wait and see," replied the other, confidently. "In the meantime,
+here's our opportunity to pick up a few candles that will come in
+handy."
+</P>
+
+<P>
+They had come to a halt directly under a tree; and Bob had already
+discovered that the ground was thickly strewn with broken branches.
+Some of these were apt to be fat with the inflammable gum that exudes
+from certain species of cedar, and would, as Frank said, make splendid
+torches.
+</P>
+
+<P>
+Frank was already on his hands and knees searching for suitable ones;
+and as Bob grasped the idea he, too, set to work.
+</P>
+
+<P>
+"I have four already; how do you stand?" asked Frank, presently.
+</P>
+
+<P>
+"Just as many&mdash;no, here's the fifth one, and the best of the lot," came
+the reply from the Kentucky lad, who went into everything with ardor
+and enthusiasm.
+</P>
+
+<P>
+"That ought to do for us," Frank went on. "And now, listen for all
+you're worth, because the war is on again!"
+</P>
+
+<P>
+Lying there, Bob heard what seemed to be the first signal. It was as
+though some giant hand had tapped the solid rock with his club. Then
+faster came the blows, and more and more did the din increase, until it
+was fairly deafening. Only for his intense eagerness to hear every
+sound Bob might have been tempted to thrust his fingers into his ears
+in order to shut out the awful clamor.
+</P>
+
+<P>
+To him it seemed as though a thousand anvils were being beaten in
+chorus, with a few other minor chords thrown in for good measure.
+</P>
+
+<P>
+And what interested Bob most of all, as he crouched there listening,
+was the fact that all this dreadful noise seemed to be coming directly
+from the spot where his comrade had pointed out as the opening of a
+cave.
+</P>
+
+<P>
+There was not the faintest trace of lightning accompanying the
+manifestation; and this proved, beyond all question of dispute, that
+the mystery connected with Thunder Mountain had nothing to do with an
+electrical storm. Possibly the observing Indians had many years ago
+discovered this same thing; and it had strengthened their belief that
+the great Manitou spoke to his red children through the voice of the
+wonderful mountain.
+</P>
+
+<P>
+It took longer, this time, for the noise to die away; just as though,
+whatever its cause, there was increasing reluctance to subside again.
+</P>
+
+<P>
+"That was a screamer, sure enough!" said Frank, when he could make
+himself heard above the declining roar.
+</P>
+
+<P>
+"And Bob, you noticed, didn't you, that it seemed to come right out of
+that hole? All right, it begins to look now as if we were Johnny on
+the spot, if we've got the nerve to push things. Somewhere in there,
+Bob, lies the explanation of the mystery. Do we take the dare; or stay
+out here and wait till the fuss is over before entering?"
+</P>
+
+<P>
+Bob possibly swallowed hard before replying. It was no easy thing for
+him to say the words that would thrust them up against so terrible a
+thing as this unknown peril awaiting them in the gloom of that crack of
+the great mountain. But his hesitation was brief. In fact, he only
+wanted to catch his breath, shut his teeth hard together, and summon
+his Kentucky blood.
+</P>
+
+<P>
+"It's a go, Frank!" he said, with determination in his voice; "the
+chance may never come to us again. Let's go in, and discover for
+ourselves the secrets of the Indian god they say is guarding Thunder
+Mountain. I'm ready, so lead on!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap17"></A>
+<H3 ALIGN="center">
+CHAPTER XVII
+</H3>
+
+<H3 ALIGN="center">
+FRANK HOLDS THE HOT STICK
+</H3>
+
+
+<P>
+"No hurry," said Frank, who realized that his comrade was worked up to
+a high pitch of excitement, and thought it the part of wisdom to do
+something in order to quiet Bob's nerves.
+</P>
+
+<P>
+"But if we've got to try it, Frank, what's the use of waiting?"
+demanded the impetuous one.
+</P>
+
+<P>
+"Well, for one thing, we don't want to be carrying these candles
+without making use of one, you see," replied Frank, who was again
+getting out his handy matchsafe.
+</P>
+
+<P>
+"What a silly I am, to be sure," laughed Bob; "why of course we want a
+light, if we're going to invade that den of the demon Joe told us
+about. What do you think about that yarn, Frank; did he meet up with
+anything; or was he just scared out of his seven senses? Perhaps
+there's a strong current of air in that place, along with the noise,
+and that took hold of Joe."
+</P>
+
+<P>
+"Well, I wouldn't like to say," replied the other, cautiously. "This I
+do know, and I saw it with my own eyes. Joe's fancy Mexican jacket was
+torn nearly into ribbons; and I could see marks of blood, too."
+</P>
+
+<P>
+"Whew! you don't say?" ejaculated Bob. "Then something <I>did</I> get hold
+of him; didn't it, Frank?"
+</P>
+
+<P>
+"Looked like it," admitted the other.
+</P>
+
+<P>
+"His jacket was torn into ribbons, you said&mdash;then I reckon whatever
+tackled Joe had pretty sharp claws, Frank!" Bob continued.
+</P>
+
+<P>
+"I thought as much myself. In other words, Bob, the man was attacked
+by some wild beast that has its den in yonder. In the dark, with all
+that terrible noise going on, Joe thought it was a monster from the
+underworld. If he keeps on telling that story, ten to one, after a
+while, he'll vow it had eyes of fire, and a tongue of blue flame. Joe
+was frightened half to death, and a man in that condition gets to
+seeing things that never did exist. Now, how's that?"
+</P>
+
+<P>
+While speaking Frank had managed to light one of the cedar torches he
+carried. The wood burned readily, and with persistence. It would make
+a good substitute for a lantern. Indeed, Bob was enthusiastic over the
+success attending his chum's effort.
+</P>
+
+<P>
+"Couldn't be beat, that's what!" he cried.
+</P>
+
+<P>
+"Well, there's nothing to keep us now," declared Frank.
+</P>
+
+<P>
+"But what can I do?" asked the other. "Want me to light a torch too,
+Frank?"
+</P>
+
+<P>
+"No, one ought to be enough. You fall in just behind me, and Bob,
+perhaps you'd better keep your gun handy."
+</P>
+
+<P>
+"Oh! you're thinking now of that demon Joe told about, eh, Frank?"
+</P>
+
+<P>
+"Perhaps. If it jumps out at us give a center shot, if you can," the
+saddle boy advised, as he led the way forward toward the black spot
+which they had guessed must be the cave entrance spoken of by Spanish
+Joe.
+</P>
+
+<P>
+They were quickly at the wall, and had no difficulty in learning that,
+just as they had guessed, the yawning hole was there. Frank, without
+the slightest hesitation, stepped through the opening. Bob did
+likewise, holding his gun in readiness for immediate use.
+</P>
+
+<P>
+The light of the blazing torch lighted up the interior. They could see
+that, so far, there was nothing remarkable about the cave, save that it
+seemed to stretch away into dim distance, with various twists and
+curves.
+</P>
+
+<P>
+"What are you sniffing about, Frank?" demanded Bob, who, in the
+silence, heard what his comrade was doing.
+</P>
+
+<P>
+"I think I scent something, that's all," replied the other.
+</P>
+
+<P>
+"Not brimstone and sulphur, I hope?" cried Bob.
+</P>
+
+<P>
+"Well, hardly," chuckled the other. "In fact, it seemed to me that it
+was only such an odor as you can always detect around the den of a wild
+beast!"
+</P>
+
+<P>
+"Glory! then Joe didn't dream it, after all; and there may be an old
+grizzly in this cave!" ejaculated Bob.
+</P>
+
+<P>
+"Not a grizzly," declared Frank, quickly. "If anything, I think it
+must be a panther. But he may have left after attacking Joe, so that
+we'll have no trouble with the beast."
+</P>
+
+<P>
+"I hope so," Bob remarked, as he strove to look seven ways at once,
+keeping his finger on the trigger of his repeating rifle all the while.
+</P>
+
+<P>
+They were now advancing into the cave.
+</P>
+
+<P>
+"Do you think Joe had a torch?" asked Bob, as a new idea came to him.
+</P>
+
+<P>
+"Well, he isn't the man to take chances, and he couldn't help but see
+the good torch material at the door yonder. But the beast may have
+jumped on his back, so he lost his torch before he could see. And then
+he fought in the dark. Joe has always been known as a hard fighter,
+and with his knife I reckon he could give a good account of himself.
+Hello! see here!"
+</P>
+
+<P>
+Bob started when his chum gave this sudden exclamation.
+</P>
+
+<P>
+"Oh! I thought you had sighted the panther!" he gasped as he lowered
+the gun, which had, perhaps through mere instinct, gone up to his
+shoulder.
+</P>
+
+<P>
+Frank was bending down. He held his torch in such a fashion that he
+could see better; and he appeared to be examining something on the rock.
+</P>
+
+<P>
+"What is it?" asked Bob, eagerly; "footprints?"
+</P>
+
+<P>
+"No, just a little spot of blood," came the reply.
+</P>
+
+<P>
+"Fresh, too, I can see," declared the tenderfoot, as he looked. "Does
+that mean this is the exact place where Joe had his little circus,
+Frank?"
+</P>
+
+<P>
+"I reckon it is," replied the other.
+</P>
+
+<P>
+"Then if that beast hasn't cleared out we might run across him before
+long!" remarked Bob.
+</P>
+
+<P>
+"Oh!"
+</P>
+
+<P>
+Frank gave utterance to this cry. He had seen some object flash
+through the air, and knew it could be nothing else than the lithe body
+of a panther making a leap.
+</P>
+
+<P>
+The animal must have had a place of hiding close by, from which it had
+probably jumped upon the shoulders of Spanish Joe, and now sought to
+repeat that act.
+</P>
+
+<P>
+Bob was struck by the descending body of the animal; and while he did
+not suffer serious injury from the blow, it jarred his arm, and caused
+him to drop his rifle. He instantly leaped forward to recover the
+weapon, but through chance picked it up by the end of the barrel.
+</P>
+
+<P>
+The panther had recovered, and was crouching as though to repeat its
+jump. Only a yard lay between the fierce beast and the boy who held
+the gun. Perhaps a veteran hunter would have proceeded to reverse the
+weapon, and discharge it without taking the trouble to throw the stock
+to his shoulder. But Bob did not dream that he would be given enough
+time for all this.
+</P>
+
+<P>
+He saw the beast there close to him, and his first thought was to poke
+the butt of the rifle directly at its head, striking with all his
+force. The blow landed heavily, but as the beast gave way, Bob lost
+his balance, and fell directly toward the panther.
+</P>
+
+<P>
+It looked as though the boy might be in for a terrible clawing, and so
+it must have turned out had he been alone. But he had a comrade close
+at hand who did not hesitate an instant about taking part in the affair.
+</P>
+
+<P>
+Frank could not get at his gun, which was slung across his back; but he
+knew he had a better weapon than that in hand. Wild animals dread fire
+above all things; and every lad brought up on the prairie knows this
+fact.
+</P>
+
+<P>
+Suddenly Frank brought down his torch upon the beast with all the force
+he was capable of using. There was a snarl and the animal jumped
+aside, evidently not fancying the closeness of the stick that burned.
+The lad again raised his torch, but evidently the panther had already
+endured quite enough of the conflict. It was bad enough fighting two
+human beings at a time; but when one of them persisted in belaboring
+him with such a hot weapon he drew the line.
+</P>
+
+<P>
+And so with a parting snarl, that was full of defiance and venom, the
+panther sprang back out of sight, departing just as silently as he had
+come.
+</P>
+
+<P>
+"That's just like the luck," grumbled Bob.
+</P>
+
+<P>
+"What's the matter now?" asked Frank, looking sharply to make sure that
+the treacherous beast did not sneak back in order to attack them from
+another quarter.
+</P>
+
+<P>
+"Why, I'd just got my gun slewed around, and was ready to fire when he
+skipped out. I'd liked to have bagged him, I reckon. A grizzly and a
+panther, all on one trip, would be worth talking about."
+</P>
+
+<P>
+"Oh! I don't know that you'd have been so very proud over it,"
+observed Frank.
+</P>
+
+<P>
+Bob looked at him as he said this.
+</P>
+
+<P>
+"Now, you've got some reason for making such a remark as that," he
+observed.
+</P>
+
+<P>
+"Perhaps I have," answered his chum, nodding wisely.
+</P>
+
+<P>
+"Then out with it, Frank, and don't keep me wondering. Besides, I
+reckon that we'll have another bellow from the old mountain at any time
+now."
+</P>
+
+<P>
+"I guess you didn't notice something queer about that animal, then,
+Bob?"
+</P>
+
+<P>
+"About the panther, you mean?" came the reply. "Well, to tell the
+honest truth I was knocked all in a heap when I missed hitting him, and
+didn't have time to bother looking at him close enough to see anything.
+But what was so funny about him, Frank? Did he have only one eye; or
+was he three-legged?"
+</P>
+
+<P>
+"Oh! nothing of that sort," declared the other; "so far as I know he is
+in possession of all his members. It was about his neck."
+</P>
+
+<P>
+"What about it? Did he have a rubber neck, you mean?" demanded Bob,
+trying to be a little humorous so as to conceal the fact of his
+excitement.
+</P>
+
+<P>
+"The beast had a collar on!" Frank remarked, positively; "and that
+means he must be the pet of somebody who has a hiding place in this
+cave!"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap18"></A>
+<H3 ALIGN="center">
+CHAPTER XVIII
+</H3>
+
+<H3 ALIGN="center">
+A GUESS THAT HIT THE BULLSEYE
+</H3>
+
+
+<P>
+As Frank made this astonishing declaration his chum looked blankly at
+him, the information having evidently surprised him not a little.
+</P>
+
+<P>
+"A tame panther, you mean, Frank?" he exclaimed, weakly.
+</P>
+
+<P>
+"That's just what I'm hinting at," replied the other, positively.
+</P>
+
+<P>
+"With a collar around his neck, too?" murmured Bob.
+</P>
+
+<P>
+"Yes. I saw it as plain as I see you now," Frank went on. "It was
+when I jumped forward, and gave him the first crack that made him fall
+away in a hurry. A collar that was broad and stout. Why, Bob, when he
+threw back his head to avoid punishment I could even see where a chain
+could be fastened, and the animal kept in confinement."
+</P>
+
+<P>
+"Whew! but he acted like a wild one, all right," protested Bob.
+</P>
+
+<P>
+"He sure did, Bob; but that was because he had already been stirred up
+by the fight with Spanish Joe. I reckon the cowboy must have give him
+a few jabs with that handy knife he owns. Anyhow, the panther was
+spoiling for a scrap, and didn't care a cent how many there were."
+</P>
+
+<P>
+"That was before you gave him his finish with that fire-stick, Frank.
+Didn't that knock the old chap silly, though? Why, it took all the
+fight out of him, for a fact. He was the tame panther all right when
+he ran away, with his tail between his legs. Think he'll tackle us
+again?"
+</P>
+
+<P>
+"No telling; but I don't believe the beast cares much for running
+against my torch again. It might pay for both of us, though, to keep
+on the watch," Frank replied, always on the side of caution.
+</P>
+
+<P>
+"But I say, Frank, is the fact that he's private property going to make
+any difference; that is, do I shoot straight if I get the chance again?"
+</P>
+
+<P>
+"Well, I say yes," answered the other. "Given half a chance and he'd
+maul us the worst way. No matter who's property he may be, I'd advise
+him to keep clear of Haywood and Archer. They're marked,
+dangerous&mdash;hands and claws off, but come along, Bob; let's be moving."
+</P>
+
+<P>
+"Wait, there it comes again, Frank. Don't you think we'd better lie
+down till the worst is over?" ventured Bob, as he caught the opening
+notes of the mighty anvil chorus that would soon be in full blast.
+</P>
+
+<P>
+"Well, now, perhaps that wouldn't be a bad idea, Bob. Suppose we do
+stretch out here, you facing one way and I another."
+</P>
+
+<P>
+The two crouched there. Frank had thrust the torch into a crevice, for
+he wanted the use of both hands in gripping his rifle. If the wild
+beast guardian of the cave tried to attack them again, he felt that he
+would like to be in a position to shoot.
+</P>
+
+<P>
+"Feel the wind, will you?" called Bob, as the sounds mounted higher and
+higher.
+</P>
+
+<P>
+"I'm afraid our torch is going to be blown out," Frank replied,
+pointing to the flaring light, which was being hard pressed by the
+suction that seemed to rush through the cave, heading always toward the
+mouth.
+</P>
+
+<P>
+"Say, Frank, the air feels wet!" shouted Bob, while the racket was at
+its height.
+</P>
+
+<P>
+Of course this was no special news to Frank. He, too, had noticed the
+same thing, and mentally commented on it. And as it was in line with
+certain suspicions which he already entertained, he had felt amply
+repaid for taking such hazards in plunging into that black cave.
+</P>
+
+<P>
+Then suddenly an extra strong blast put the torch out.
+</P>
+
+<P>
+"Wow! there she goes, Frank! What will we do now?" yelled Bob, of
+course feeling a new uneasiness because of the intense darkness, the
+presence of an angry animal near by, and the general air of mystery
+that hung over the scene.
+</P>
+
+<P>
+"Nothing. Just wait till the storm blows by; and then we'll light up
+again," was what Frank shouted back at him.
+</P>
+
+<P>
+Already it was diminishing. Like the receding waves of the great ocean
+the uproar died down, growing fainter with each pulsation.
+</P>
+
+<P>
+And finally there came again the silence that in one way was almost as
+dreadful as the clamor; during which Frank proceeded to light the torch
+again, though not without some difficulty.
+</P>
+
+<P>
+"Frank, you felt that wet sensation, like fine spray, didn't you?"
+demanded Bob, as soon as he could speak with comfort. "Why, touch your
+face right now; and you'll find it moist. Whatever can it mean?"
+</P>
+
+<P>
+"I think I know," Frank said, slowly. "I suspected it before, and this
+seems to make it look more than ever that way."
+</P>
+
+<P>
+"Do you mean that you've guessed what makes all that frightful noise?"
+asked Bob, astonished.
+</P>
+
+<P>
+"I believe I have," came the reply.
+</P>
+
+<P>
+"And it has to do with this misty feeling in the air; has it?"
+continued the Kentucky boy.
+</P>
+
+<P>
+"If my idea proves the right one, and I'm bound to find out before I go
+away from this place, it's got everything to do with it, Bob."
+</P>
+
+<P>
+"Where there's smoke you'll find fire; and where there's mist I reckon
+water can be looked for," remarked Bob, quickly.
+</P>
+
+<P>
+"Just so. Now Bob, have you ever been up in the Yellowstone Park
+region?"
+</P>
+
+<P>
+"I can't say that I have, Frank."
+</P>
+
+<P>
+"Then you see I've got the advantage over you; and that's what gave me
+a point in the game. Because I've stood and watched Old Faithful and
+the other great geysers play every half hour or so," Frank went on, as
+they slowly advanced into the passage which seemed possibly to act as
+one of many funnels through which the tremendous roaring sound was
+carried to the outside world.
+</P>
+
+<P>
+"Geysers!" cried Bob. "Oh! now I get onto what you mean. You think,
+then, that in the heart of Thunder Mountain a giant geyser spouts every
+once in a while; and that as the water is dashed against the rocky
+walls it makes the ground shake. Is that it, Frank?"
+</P>
+
+<P>
+"Yes," replied the other, "and the noise is so like thunder that when
+it is forced out through several queer, funnel-shaped openings like
+this one, it has puzzled the Indians for hundreds of years. Bob, more
+than that, I believe that every once in so many years, when an extra
+convulsion shakes things up here, the water bursts out through some
+passage, and rushes down that <I>barranca</I> in a wave perhaps twenty feet
+high."
+</P>
+
+<P>
+"But they call it a cloud burst, Frank," suggested Bob.
+</P>
+
+<P>
+"I know they do, but still I stick to my idea," Frank went on.
+</P>
+
+<P>
+"And this promises to be an extra strong outburst. Nick said so
+anyhow; didn't he, Frank?" Bob queried, a new anxiety in his tone.
+</P>
+
+<P>
+"Just what he did. You're wondering now, that if what I said is true,
+whether this passage right here is one of those through which all that
+water dashes, on its way to the rocky <I>barranca</I>?"
+</P>
+
+<P>
+"Yes, that's the truth. How about it? Could you see any signs here to
+tell about that?"
+</P>
+
+<P>
+"I suppose I could if they were here, but I don't discover any.
+Besides, I thought of that before we entered, and I give you my word
+that I don't believe any big volume of water ever went out through
+here. It couldn't do it and not leave some sign behind."
+</P>
+
+<P>
+Bob heaved a big sigh.
+</P>
+
+<P>
+"Well, I'm right glad to hear you say that, Frank, seeing that we're so
+far in now, we wouldn't have any chance to escape if it came along.
+Whew! I wouldn't like being carried through here, and shot out of the
+muzzle like a bullet. But seems to me the place is getting bigger
+right along, Frank."
+</P>
+
+<P>
+"Just what it is. Now you can see how like the neck of a bottle the
+cave is; and I think that has had a heap to do with the way that
+thunder noise gets loose. Why, they say that some days, or nights, it
+can be heard more than twelve miles away. I've seen Navajo Injuns drop
+flat on their faces, and lie there all the time we could hear the
+distant thunder in a clear sky over our way."
+</P>
+
+<P>
+"But is it possible that some hermit is living in this cave?" asked
+Bob, thinking that it must be a queer sort of person who would remain
+where he must listen to such fearful sounds every once in a while.
+</P>
+
+<P>
+"I told you to notice when we heard the noise the first time," Frank
+went on; "while we were in camp on the plain, that the night was clear,
+and the wind almost in the Southeast. Well, I made sure that it was in
+exactly the same quarter tonight when we were climbing the mountain.
+That means something, Bob."
+</P>
+
+<P>
+"To you; but to me it's only a blank," admitted the tenderfoot,
+regretfully.
+</P>
+
+<P>
+"I fancy that the direction of the wind has something to do with the
+working of this queer old geyser in the heart of Thunder Mountain. It
+only rears up when the wind is in the Southeast, as it is now. But
+say, you said something about a hermit just now?"
+</P>
+
+<P>
+"I only said I thought it strange a fellow could live here through all
+the racket, year in and year out, just to get away from his kind," Bob
+remarked.
+</P>
+
+<P>
+At that Frank laughed.
+</P>
+
+<P>
+"But what if he had a big object in it, Bob? What if some daring
+prospector, taking his life in his hands, had plunged into one of these
+caves of the winds, this one right here, for instance, and struck it
+rich. Gold will make men do nearly anything. I've seen 'em go crazy
+over finding a nugget, or yellow sand in their pan. Don't you see what
+I mean, Bob? Have you forgotten little Lopez, and how frightened he
+looked when we spoke about keeping him company?"
+</P>
+
+<P>
+Bob uttered a cry that might stand for either astonishment or delight,
+perhaps both.
+</P>
+
+<P>
+"Frank, it just takes you to see through the mill stone, even if it
+hasn't got any hole in it," he declared. "I understand what you mean
+now. Little Lopez has been coming here for a year or more, always
+bringing supplies. Perhaps he carries away the gold dust the miner has
+gathered in that time, and no one the wiser. It has all been a dead
+secret. And the terror of the Indians for this haunted mountain, as
+well as the way the cowboys leave it alone, has helped this bold miner.
+Frank, your shot hit the bull's eye, and who knows but what we may be
+on the way to find out the truth right now?"
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap19"></A>
+<H3 ALIGN="center">
+CHAPTER XIX
+</H3>
+
+<H3 ALIGN="center">
+THE WORKING OF THE GOLD LODE
+</H3>
+
+
+<P>
+"Now you know what I think, Bob; but after all I may be on the wrong
+track," said Frank, after his companion had expressed himself so freely.
+</P>
+
+<P>
+"Of course," Bob went on saying; "but all the same I don't think you
+are. After you've shown me, it's just like that egg Columbus stood up
+on end, after cracking the shell a bit&mdash;as easy as jumping off a log,
+once you know how. But now we're in here, I hope we find out the truth
+soon, don't you, Frank?"
+</P>
+
+<P>
+"Honest now, Bob, I don't care how quick it comes," replied his chum,
+frankly.
+</P>
+
+<P>
+"This is a terrible place, with panthers hanging around, and that
+thunder banging to beat the band every minute or so. I'm only
+wondering, Frank, what would become of us if that old geyser should
+take a notion to explode suddenly, and flush every avenue out of the
+heart of the mountain."
+</P>
+
+<P>
+"Don't mention it, please," Frank answered, with a shrug of his
+shoulders. "If such a thing happened we wouldn't know what hurt us,
+I'm afraid."
+</P>
+
+<P>
+"Huh! some consolation in that, anyhow," grunted Bob. "If a fellow has
+to go up against the buzz-saw, the sooner it's over the better."
+</P>
+
+<P>
+"But nothing of the kind is going to happen," Frank insisted; "and you
+want to get the idea clean out of your head. We're making fine
+progress, and any minute, now, I expect we'll run across the party who
+occupies this cave."
+</P>
+
+<P>
+"But every time the blowout comes, away goes our light; and another
+spouting is about due now, I reckon," ventured Bob.
+</P>
+
+<P>
+"I've got an idea I may be able to save the torch," Frank remarked. "I
+don't know just how it's going to work; but anyhow the thing's worth
+trying."
+</P>
+
+<P>
+"Then here comes your chance," his chum called.
+</P>
+
+<P>
+As before, the grumbling began with an earth tremor. It was as though
+some giant, whose mighty limbs were shackled, was trying to break
+loose; and in so doing made things near him tremble.
+</P>
+
+<P>
+Rapidly the noise increased, until it became terrifying. Bob had
+dropped flat, and cowered there, almost holding his breath with awe.
+Not so Frank, in whose care was the burning torch.
+</P>
+
+<P>
+He had whipped off his coat at the first sign of the disturbance. This
+he hastily arranged so as to partially protect the burning brand. Of
+course in such a violent draught the suction was enough to make the
+flame flare and flicker until at one time Frank feared it could not
+stand the struggle. But just as he was ready to give up the attempt,
+the furious wind seemed to slacken.
+</P>
+
+<P>
+Bob raised his head to see the torch still burning, and it soon
+recovered its full capacity for illumination.
+</P>
+
+<P>
+"Bully!" he exclaimed, beginning to rise from his position of hugging
+the rocky floor of the cave; "you did it that time, Frank. But hurry
+up, and get your coat on. Gee! but this air feels chilly in here, and
+damp too!"
+</P>
+
+<P>
+Frank had found that out for himself. He was even shivering; and made
+haste to don his jacket.
+</P>
+
+<P>
+"Now let's be moving while we have the chance," he said. "I hope that
+before the next rush comes we'll sight what we're looking for."
+</P>
+
+<P>
+Perhaps his sharp eyes had discovered certain signs that told him they
+were near the working part of the cave. Men cannot mine a lode of
+precious ore without leaving many traces behind to tell of their
+presence. And the stream of clear water that passed across the place
+seemed to offer a splendid chance for panning any golden treasure that
+might be found in the shape of soft quartz.
+</P>
+
+<P>
+Now and again Frank would place the torch behind him. Bob wondered
+what he did this for until he saw his chum bending his head forward as
+though endeavoring to discover what lay ahead. Then he realized that
+the light blinded him while it was before his eyes, and he sought to
+avoid the trouble in this way.
+</P>
+
+<P>
+"There's another bend ahead, Bob," Frank remarked, presently.
+</P>
+
+<P>
+"Yes?" said the Kentucky lad, eagerly, suspecting what was coming.
+</P>
+
+<P>
+"And I can see signs of light at the curve," Frank went on.
+</P>
+
+<P>
+"Hurrah! Everything seems to be coming out just as you figured, Frank.
+When I get back to the ranch I'm going to write to the president,
+proposing that he put you in charge of the weather bureau. Every old
+farmer will know then when to look out for storms."
+</P>
+
+<P>
+"Well, we may be in for one now," observed Frank, dryly.
+</P>
+
+<P>
+"Look here, you mean something by that remark," Bob cried. "Do you
+expect we're going to have a peck of trouble with these miners?"
+</P>
+
+<P>
+"I don't know. It all depends on what sort of men they are," Frank
+replied.
+</P>
+
+<P>
+"But we wont let 'em drive us out of here until we know all about that
+geyser, if there is such a thing; will we, Frank?"
+</P>
+
+<P>
+"Well, I reckon it won't take a great deal of driving to get both of us
+out; but of course I do hope we'll learn something about the real cause
+of all this awful racket. Are you ready to turn the bend, Bob?"
+</P>
+
+<P>
+"Sure," and the Kentucky boy ranged alongside his chum, by this
+movement plainly indicating that he did not mean to let Frank take any
+more risk than he himself was ready and willing to assume.
+</P>
+
+<P>
+No sooner had the two saddle boys turned the bend in the passage than
+they saw a singular spectacle.
+</P>
+
+<P>
+A couple of lanterns were hung from wooden pins driven in the wall.
+These lights, being protected by glass, could safely resist the
+tremendous suction that accompanied each successive convulsion, as the
+rocks trembled, and the air swept through toward the outer exit.
+</P>
+
+<P>
+Only two figures were in sight&mdash;a man and a boy. In the latter they
+recognized little Lopez, the hero of the adventure with the grizzly;
+and if their suspicions proved true also, the little girl whom Bob had
+rescued from the anger of the bully, Peg Grant.
+</P>
+
+<P>
+The man was a rugged specimen, with long, iron-gray hair. Frank
+recognized him as Lemuel Smith, whom he remembered to have met several
+years ago when in a border town with his father.
+</P>
+
+<P>
+Smith had always been a rolling stone, a prospector who spent his time
+in hunting new strikes, and who lived year in and year out in the wild
+hope of sometime or other hitting it rich. Frank suddenly remembered
+that Smith had had one daughter, who, he believed, had married a
+Mexican. And that would make the little girl his grand-daughter.
+</P>
+
+<P>
+"They're packing up," remarked Frank, whose quick eye had noticed the
+fact.
+</P>
+
+<P>
+"Perhaps he's done his work here, and means to vamoose the ranch," Bob
+suggested. "Then again," he added, as another thought raced through
+his brain, "maybe he doesn't altogether like the looks of things, and
+wants to get out of this rat-hole before it all goes to smash. He must
+have been here a long time, and ought to know something about that
+geyser, Frank."
+</P>
+
+<P>
+"There, they have discovered us!" the other exclaimed, as he waved his
+torch in what he meant to be a friendly way, and kept on advancing.
+</P>
+
+<P>
+"Whew! I just hope he doesn't try to fire on us," muttered Bob, who
+was nervously fingering his rifle, and wondering how dreadful it would
+feel to be compelled, even in self-defense, to shoot at a fellow human
+being.
+</P>
+
+<P>
+But the old miner held up both hands. It was the Indian peace sign,
+understood by every savage tribe on the face of the globe.
+</P>
+
+<P>
+Quickly the two boys hurried forward, for the first symptoms of another
+burst of thunder and furious wind began to make themselves felt.
+</P>
+
+<P>
+This time Frank did not take off any of his outer clothing in order to
+protect the torch. He had noted that the old miner had <I>two</I> lanterns,
+and he expected to borrow one, if necessary.
+</P>
+
+<P>
+Of course his torch was snuffed out while the furious blast swept by.
+Bob noted that each successive outbreak tried to beat the record, and
+he was wondering just when the limit of endurance might be reached.
+</P>
+
+<P>
+The old miner, after the roar had subsided, offered the two boys his
+hand.
+</P>
+
+<P>
+"How are ye, young Haywood?" he asked, recognizing Frank. "I heard
+about what you done for my little gal here, Inez Lopez, whose father
+was once a cowboy on the Circle ranch, and lost his life in a fight
+with some of his countrymen when they quarreled. I'm glad to see you.
+Found a nice little pocket here a year or so back. Kept it on the
+quiet; and the gal, playing the part of a boy, has been fetchin' me
+supplies once in two months, an' takin' away the dust I winnowed.
+Pocket's played out now, but I reckons as how I've got plenty. 'Sides,
+I just don't like the way things is agoin' here. That spoutin' geyser
+that rises up inside the old mountain every once in a while acts like
+it meant to break loose. Never saw it carry on that bad before; and
+we're just ready to cut and run, leavin' most of the truck behind.
+What brings ye here, Frank?"
+</P>
+
+<P>
+So Frank had to explain in a few words, while the old miner looked
+admiringly at the boys, and grinned.
+</P>
+
+<P>
+"I admire your nerve, young fellers," he declared, at the conclusion of
+the explanation. "And, Frank, ye guessed the true facts, blessed if ye
+didn't! I got onto the same by accident. Fell in through a hole, and
+just had to creep along this passage to the end. Then havin' guessed
+what made the roar, I wondered if so be I could find any stuff in here.
+So I took a lot of wood along, and made my discovery."
+</P>
+
+<P>
+"And you say you're bound out now?" asked Frank.
+</P>
+
+<P>
+"That's what we are, little Lopez and me; and we can't get to the open
+any too soon, either, to please both of us," Smith replied, shouldering
+his pack.
+</P>
+
+<P>
+"Oh! say, Mr. Smith," cried Bob, "have you lost a pet that wears a
+collar?"
+</P>
+
+<P>
+"Meanin' my pet painter, Nero, I take it," replied the miner. "I
+raised him up from a cub, and he's as fond of me as my dog. But he's
+gone somewhar. We ain't seen him for hours, and like as not the
+critter knowed it was gettin' dangerous in here. Trust animal sense
+for that. But wait till this next whoop gets by, and then we'll make
+for the door. Here's hopin' we'll all be smart enough to get to the
+open. Bend your backs to the wind, boys; ye wont feel it so much
+then," and all of them carried out his instructions as, with a rapidly
+rising roar, the spouting geyser that played in the heart of Thunder
+Mountain again started to break loose.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap20"></A>
+<H3 ALIGN="center">
+CHAPTER XX
+</H3>
+
+<H3 ALIGN="center">
+TRAPPED IN A CANYON
+</H3>
+
+
+<P>
+Once the little party started toward the opening, they made rapid
+progress. The turmoil was at their backs, for one thing. Then, again,
+each time the noise broke forth it seemed so much worse than before,
+that every one felt anxious to get beyond the portal of the cave before
+the climax came.
+</P>
+
+<P>
+And when finally this opened before them, Bob drew a long sigh of
+relief.
+</P>
+
+<P>
+"Glory!" he burst out. "Maybe I'm not glad we've arrived! But I
+reckon your pet, Nero, has skipped, Mr. Smith, or he would have come
+out when you and the little Lopez passed. Sorry for you; but perhaps
+it's just as well for the rest of us; because you see the fellow might
+have had it in for us."
+</P>
+
+<P>
+So they passed into the outer air.
+</P>
+
+<P>
+"Seems pretty much the same as when we left," remarked Bob, as he
+stared up at the dark sky against which they could see the rocky crown
+of Thunder Mountain dimly outlined.
+</P>
+
+<P>
+"Why, what did you expect?" asked Frank.
+</P>
+
+<P>
+"I didn't know but what some of that thunder might be the genuine
+article, and we'd find the rain coming down to beat the band. Glad it
+isn't, because we want to get down from this to where our horses are."
+</P>
+
+<P>
+"Little Lopez has our burro and bronco quartered in a small ravine
+where they can't escape," remarked the old miner, as he handed Frank
+the lantern he had been carrying, the girl taking the other.
+</P>
+
+<P>
+"But would they be in danger in case of a storm-burst?" asked Bob.
+</P>
+
+<P>
+"We counted on that when we arranged the exit by piling up stones,"
+came the ready reply. "There is little danger, for the ravine has high
+banks, where they are able to go in case of hard luck. But now we have
+a tough job ahead, boys. Mind your steps all the time. A slip might
+cost you dear."
+</P>
+
+<P>
+"Reckon I know that, Mr. Smith," remarked Bob. "I've had experience,
+you see. And only for the helping hand of my trusty chum here, I'm
+afraid I wouldn't be alive right now. Oh! I'll be careful, I give you
+my word."
+</P>
+
+<P>
+And he was, seldom putting a foot forward without first making certain
+how the land lay below, and that the stone he expected to step upon was
+firmly planted.
+</P>
+
+<P>
+They were making fair progress when the old miner called out:
+</P>
+
+<P>
+"We've reached the parting of the ways, boys. Little Lopez and me have
+to turn to the left here, so as to hit the place whar our animals are
+cached. You keep right on. Wish you the best of luck, Frank. Hope to
+see you some time at my shack. And I tell ye, son, thar's agoin' to be
+a ranch soon, with hosses for the gal, an' an ottermobile for the old
+couple. I struck it rich in this here lode and pocket. So-long, boys!"
+</P>
+
+<P>
+He shook hands with each of them, as did also the girl, whose
+astonishing nerve, when facing that terrible grizzly, Bob would never
+forget. Then they separated. And a minute afterward there came
+another of those fearful shocks that seemed to make the very rocks of
+the mountain quiver, as the pent-up force of that great geyser beat
+against its prison walls.
+</P>
+
+<P>
+"We must be getting down somewhere near the canyon, aren't we, Frank?"
+asked Bob, after they had been a long while descending the side of the
+rough mountain.
+</P>
+
+<P>
+"That's right, we are," replied his chum. "And I've been wondering
+whether we ought to take the chances of going along that <I>barranca</I>
+just now."
+</P>
+
+<P>
+"It's the shortest way to where we left our horses, I reckon," remarked
+Bob.
+</P>
+
+<P>
+"And the only way we happen to know of," Frank went on; "but if that
+flood just happened to break loose while we were between those high
+walls we'd have an experience that would be fierce, let me tell you!"
+</P>
+
+<P>
+"But then, it may not come for hours yet?" remonstrated the Kentucky
+boy, who was anxious to be once again in the saddle, and leaving the
+haunted mountain well in the rear.
+</P>
+
+<P>
+"Oh! for that matter, it may not come at all," Frank went on.
+"Although Smith did say he really believed that this was going to
+finish the old geyser, which he believed empties into one of those
+queer underground rivers we know are to be found all through the
+Southwest. And Smith ought to know something about it, for he's been
+watching this business a whole year now, from close quarters."
+</P>
+
+<P>
+"I'm willing to take the chances, if you are," declared Bob.
+</P>
+
+<P>
+Frank was not at all surprised when he heard his chum say this. He
+knew that the Kentucky boy was apt to be rash; and that meant more
+caution on his part, in order to counteract this spirit, that might
+border on recklessness.
+</P>
+
+<P>
+A quick decision had to be made, for delay could do them no good. He
+cast one last look up at the dark heavens, as though questioning how
+long they might remain mute.
+</P>
+
+<P>
+"All right, we'll risk it, Bob," he declared, suddenly; for even if the
+worst came Frank believed he knew how to avoid a calamity.
+</P>
+
+<P>
+"Good for you, Frank!" exclaimed the other; but Bob understood the
+nature of the risk they were taking, and he was not quite so buoyant as
+usual.
+</P>
+
+<P>
+The canyon was just below them now, and fortunately there seemed a
+narrow bit of slope down which they might make their way. This they
+did with considerable difficulty. Indeed, Bob was secretly sorry,
+after they had started, that he had urged his companion to take this
+step; but there could be no going back now.
+</P>
+
+<P>
+Finally, after several slips, and more or less excitement, they managed
+to gain the bottom of the canyon.
+</P>
+
+<P>
+"Say, I don't remember this place any, Frank!" declared Bob, as he
+stared about him as well as he could by the flickering light of the
+lantern which his companion still carried, and which had served them
+well through all their descent.
+</P>
+
+<P>
+"For a mighty good reason," replied Frank. "We were never here before."
+</P>
+
+<P>
+"But this is the same old turtle crawl, isn't it; the <I>barranca</I> we
+followed up to the time we climbed the slope with our horses?" Bob
+asked.
+</P>
+
+<P>
+"It sure is, only a lot farther along, Bob. Notice how the walls tower
+upon each side. I knew something about this, and that was why I held
+back when you wanted to come down here. But let's hurry. We've got to
+make that slope as soon as we can."
+</P>
+
+<P>
+"Supposing the thing broke loose before we could find any place to
+climb out?" suggested Bob, looking up again with awe, as he stumbled
+along after his chum, who was already hurrying down the canyon.
+</P>
+
+<P>
+"We might try to outrun it first," Frank replied, over his shoulder.
+</P>
+
+<P>
+"And if that didn't work, what then?" the other continued.
+</P>
+
+<P>
+"Nothing left but to climb the walls, Bob."
+</P>
+
+<P>
+"Whew! then perhaps I'd better be keeping an eye out as we go along,
+and see how the land lies?" suggested the boy from Kentucky.
+</P>
+
+<P>
+"A good idea, Bob. Just notice where the chances look half-way decent
+for a climb. And remember, at the same time, that the wave may be all
+of thirty feet deep when it sweeps through here."
+</P>
+
+<P>
+"You don't say? That would mean some hustling then to get up out of
+reach, Frank."
+</P>
+
+<P>
+"I reckon it would. Look out for that nasty rock; it nearly tripped
+me, Bob."
+</P>
+
+<P>
+"What was that flash, Frank? Don't tell me it was lightning, real
+lightning, and that the long delayed storm is going to break right now,
+when it's got us cooped up in this hole?"
+</P>
+
+<P>
+"It was lightning, all right. There, that proves it!"
+</P>
+
+<P>
+Frank's words were drowned in a crash of genuine thunder that made the
+foundations of the mountain shake just as much as the mad efforts of
+the imprisoned geyser had ever done.
+</P>
+
+<P>
+"No mistake about that sort of thing," cried Bob, as he stumbled along
+after his chum. "There it comes again, Frank. I guess I'd better be
+picking out a good way up the wall somewhere, for it looks like we'd
+have to climb!"
+</P>
+
+<P>
+Frank was doubtless sizing up the situation in his mind. He was also
+listening for some sound which he expected to hear, but which was going
+to prove a very unwelcome one.
+</P>
+
+<P>
+"No use going any further, Bob, if so be you've seen anything that
+looks promising here," he declared, when the reverberations of the
+thunder had ceased to echo through the canyon.
+</P>
+
+<P>
+"Then you think we're going to get caught here, Frank?" questioned the
+other.
+</P>
+
+<P>
+"I'm afraid to take the chances of keeping on any further. It may be a
+long run to the next broken wall, that offers us a chance to climb.
+Some places the sides go up as smooth as glass. Have you see an
+opening here, Bob?"
+</P>
+
+<P>
+"Yes, yes, right on the left, Frank!" exclaimed Bob, eagerly. "I
+couldn't see so very far up, but it looks good to me."
+</P>
+
+<P>
+Frank turned his gaze up to where his comrade pointed.
+</P>
+
+<P>
+"I think it's rough as far as that ledge," he said; "and let us hope
+that will be out of the reach of the water. Come on, Bob; let's see
+how you can climb; but be careful, boy, be mighty careful!"
+</P>
+
+<P>
+"Frank, that roaring sound didn't seem like the others we've been
+hearing; d'ye think it means anything has happened?" Bob called, as he
+started to clamber up the rough face of the wall, taking advantage of
+every jutting rock, and showing a nimbleness a mountain goat might
+almost have envied.
+</P>
+
+<P>
+"I reckon it does, Bob," replied the other. "Get along as fast as you
+can with all caution."
+</P>
+
+<P>
+"Has the cloudburst arrived?" demanded Bob, who was already ten feet
+from the floor of the canyon.
+</P>
+
+<P>
+"Either that, or else with that last shock the geyser burst its bonds,
+and the flood Smith expected is rushing out from all the passages into
+this same channel! Perhaps both things have happened at the same
+time," Frank replied.
+</P>
+
+<P>
+"Wow! then we'd better be climbing some, I reckon, if that's the case!"
+cried the Kentucky boy, as he increased his efforts to ascend to the
+ledge.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap21"></A>
+<H3 ALIGN="center">
+CHAPTER XXI
+</H3>
+
+<H3 ALIGN="center">
+A CLOSE CALL
+</H3>
+
+
+<P>
+"It's sure coming down on us, Frank!" cried Bob, shortly, as he caught
+a strange mixture of terrifying sounds.
+</P>
+
+<P>
+"Climb!" shouted back the other; for he knew they would have about all
+they could do to reach the shelf of rock before the mighty wave swept
+through that narrow channel between the high walls of the canyon, with
+a force utterly irresistible.
+</P>
+
+<P>
+Bob was doing his best. He realized that the ledge was just above his
+head now, and also how necessary it was that they reach it before the
+rushing flood arrived to fill the gap.
+</P>
+
+<P>
+Now his eager fingers clutched the edge, and he strove to pull himself
+up higher. But his breath was exhausted from his violent efforts, and
+the excitement attending the occasion.
+</P>
+
+<P>
+Bob realized that the torrent was very close at hand. Its roar dinned
+in his ears so that he could hear nothing else. The rocks seemed to be
+quivering under the impact of the released forces. He felt a cold
+shiver pass over him as he was seized with a dreadful fear that the
+rock to which he clung was giving way.
+</P>
+
+<P>
+Then something seized him by the back of the neck, and Bob found
+himself being helped up to a firm foundation. Frank had succeeded in
+gaining the ledge ahead of his chum; and naturally enough his first
+thought was to assist Bob.
+</P>
+
+<P>
+Panting, and completely exhausted, Bob lay there on the shelf of rock.
+He could look down, and when the lightning played, see the oncoming of
+that foam-crested bank of mad waters that rushed pell mell down the
+canyon.
+</P>
+
+<P>
+Now it was speeding past them, rising higher and higher with each
+second, until a new fear began to grip at Bob's anxious heart. He
+dreaded lest the wave might attain such a height that he and his chum
+would be swept from their perch, to be carried away, helpless victims
+on the crest of the flood.
+</P>
+
+<P>
+It was raining now, in sheets. The boys were quickly soaked to the
+skin; but neither of them paid the least attention to this fact, which,
+after all, was of minor Importance.
+</P>
+
+<P>
+"Frank, do you think it's going to reach up here?" called Bob, as he
+watched the rising line of water come within three feet of the ledge.
+</P>
+
+<P>
+"I hope not," came the reply, and then Bob saw that his chum was moving
+along the ledge looking carefully above as though in hopes of finding
+it possible to climb higher, in case of necessity.
+</P>
+
+<P>
+"Any chance of getting up the rocks, Frank?" he asked again, a minute
+later.
+</P>
+
+<P>
+"Mighty little, Bob," replied the other, dropping beside him; "how's
+the water coming along?"
+</P>
+
+<P>
+"Less'n two feet from us now, and still rising," reported Bob,
+disconsolately.
+</P>
+
+<P>
+"But it comes slowly, you notice," Frank declared, with hope in his
+voice.
+</P>
+
+<P>
+"I could just touch it the last time the lightning played; now I can
+put my hand clear in it!" Bob called, uneasily.
+</P>
+
+<P>
+Another minute passed. The lightning was of considerable assistance to
+the trapped saddle boys, for it enabled them to see. Frank had lost
+his lantern during the climb, as it was torn from his belt by a rock he
+struck; so that only for this heavenly illumination they must have been
+in utter darkness. And when peril threatens it is some satisfaction at
+least to see the worst.
+</P>
+
+<P>
+"Now it's only one foot down, Frank!" cried Bob.
+</P>
+
+<P>
+"That's so," replied the other, instantly; "but I reckon it's about
+reached its limit. You see, the higher it rises the broader the
+channel becomes, and that takes a heap of the water. Bob, cheer up,
+I'm nearly sure it won't reach the ledge!"
+</P>
+
+<P>
+"Oh! don't I hope it won't!" cried the Kentucky boy, a little
+hysterically; for his nerves had indeed been sorely tried during this
+night.
+</P>
+
+<P>
+Five minutes more passed, during which the torrent continued to rush
+downward through the gorge with all the attendant clamor.
+</P>
+
+<P>
+"It's at a stand!" shouted Frank, who had himself been making soundings
+with his hand.
+</P>
+
+<P>
+"And only six inches from the shelf!" echoed Bob. "That's what you
+could call a close call; eh, Frank?"
+</P>
+
+<P>
+"It sure is, old fellow," replied the prairie boy, himself more
+relieved than his words would indicate; for he had discovered, during
+his brief search, that there was absolutely no hope of ascending any
+farther up that blank wall.
+</P>
+
+<P>
+"Shake hands, Frank! We're as lucky as ever, I tell you!" said Bob;
+and when their hands clasped neither of them thought it strange that he
+could feel the other trembling.
+</P>
+
+<P>
+"Well, what are we going to do about it?" asked Bob, when some time had
+passed, and the flood still rushed through the canyon, although in
+diminished fury.
+</P>
+
+<P>
+"I don't know that we can do anything except camp out right here on
+this rock-shelf, and wait for the storm to pass by," replied Frank.
+</P>
+
+<P>
+"Even if it takes till morning?" Bob went on.
+</P>
+
+<P>
+"Nothing else left to us; and morning won't be so very long coming,
+perhaps, Bob. You notice, don't you, that the thunder now is about all
+natural?"
+</P>
+
+<P>
+"Well, that's a fact," declared Bob. "The geyser has stopped beating
+against the inside of the mountain, hasn't it? Got tired of the job,
+and quit for another rest, perhaps."
+</P>
+
+<P>
+"I've got my idea about that," Frank said "You can see how the water is
+still rushing along down there. It must be nearly ten feet deep, and
+for some time, now, I don't believe it's varied. Don't you understand
+what that means, Bob?"
+</P>
+
+<P>
+"Good gracious! do you mean that the old geyser has turned into a
+river, and will keep on running like this right along?" cried the other.
+</P>
+
+<P>
+"Looks that way to me," Frank replied. "It is a great big syphon, and
+once started, the water that has for centuries been wasting in some
+underground stream is now flowing down this canyon. Perhaps long ago
+it did this same thing, till some upheaval&mdash;an earthquake it might have
+been&mdash;turned things around."
+</P>
+
+<P>
+"But I say, Frank!" Bob exclaimed; "If what you tell me turns out to be
+true, it looks as if we were bottled up in a nice hole, doesn't it? We
+can't get up any farther; and if we go down we'll just have to swim in
+a torrent that'll knock us silly. This is what I call tough!"
+</P>
+
+<P>
+"Oh! don't look a gift horse in the mouth, Bob. This is a pretty good
+sort of a shelf after all; and we'll be glad to stick to it till
+morning comes. Time enough then to plan what we're going to do to get
+away."
+</P>
+
+<P>
+"That's right, and I'm ashamed of complaining," the taller lad burst
+out.
+</P>
+
+<P>
+"It is a grand old shelf; and if I wasn't afraid of rolling off I
+believe I could even snatch a few winks of sleep, wet clothes or not."
+</P>
+
+<P>
+"Oh! I'll prop you up with some loose rocks If you want to try it,"
+declared Frank; "but the chances are you'll get to shivering. Better
+sit up, and whack your arms around as I'm doing every little while. It
+makes the blood circulate, you see, and keeps you from going to pieces."
+</P>
+
+<P>
+Bob saw the wisdom of this advice. He was beginning to shudder every
+minute or so. They were up the side of the mountain a considerable
+distance; and after the electrical storm the air had changed from hot
+to cold.
+</P>
+
+<P>
+Time passed very slowly. Every now and then the boys would go through
+that motion of slapping their arms across their chests; and it never
+failed to start the chilled blood into new life.
+</P>
+
+<P>
+"Was there ever such a long night?" groaned Bob, as he stretched his
+neck for the thirtieth time to look up at the narrow strip of sky that
+could be seen between the overhanging walls of the canyon, in hopes of
+discovering signs of the coming dawn.
+</P>
+
+<P>
+"It won't be long now," said Frank, who carried a little watch along
+with him, and had several times struck a match to consult its face.
+"One good thing, Bob; it has cleared up. You can see the stars
+overhead."
+</P>
+
+<P>
+"Yes, and how bright they look from here in this black hole. How long
+did you say now, Frank?" asked the anxious and weary Bob, yawning.
+</P>
+
+<P>
+"Half an hour ought to see us through, and bring daylight."
+</P>
+
+<P>
+"But Frank, that river is still running below us. However in the wide
+world will we get out of this?" asked Bob.
+</P>
+
+<P>
+"No use crossing till you get to the bridge," laughed Frank. "Just you
+make up your mind there's going to be some way open for us to get out
+of this. And if the worst comes, I'm a boss swimmer, remember, Bob."
+</P>
+
+<P>
+After another spell of waiting the Kentucky lad cried out:
+</P>
+
+<P>
+"I believe it's getting light! Yes, you can see things now that were
+hid before!"
+</P>
+
+<P>
+The morning came. Overhead the sun shone, for they could see that the
+sky was clear. And looking down they saw the rushing torrent that had
+not filled the bed of the canyon for perhaps centuries back.
+</P>
+
+<P>
+When another hour had elapsed Bob began to grow impatient, and
+suggested various wild schemes for getting out of the difficulty. To
+all of these Frank shook his head. He himself was considering
+something, when he suddenly lifted his head as though listening.
+</P>
+
+<P>
+"Some one shouting up yonder!" exclaimed Bob, pointing upward to the
+top of the canyon wall; whereupon Frank seized upon his gun, and fired
+several shots in rapid succession.
+</P>
+
+<P>
+Then came answering shouts, upon which Frank repeated his signal for
+help.
+</P>
+
+<P>
+"They hear you; they're coming closer! Oh! Frank, I believe that's
+Old Hank Coombs hollering!" exclaimed the excited Bob.
+</P>
+
+<P>
+"Hello! down there, air ye all safe?" came a hail; and looking up the
+two boys on the shelf saw the grizzled head of the old cowman thrust
+into view.
+</P>
+
+<BR><BR><BR>
+
+<A NAME="chap22"></A>
+<H3 ALIGN="center">
+CHAPTER XXII
+</H3>
+
+<H3 ALIGN="center">
+ONCE MORE AT CIRCLE RANCH&mdash;CONCLUSION
+</H3>
+
+
+<P>
+After all, it was not a very great task, getting the two saddle boys up
+from the friendly shelf. Old Hank lowered his lariat; and after Bob
+had slipped the loop under his arms, he was pulled to safety. Then
+Frank followed.
+</P>
+
+<P>
+They found that Hank had half a dozen cowboys with him, some of the
+most daring connected with Circle Ranch. Overtaken by the storm while
+at the base of the mountain, they had waited for daylight, and then
+started afoot to make the ascent. The presence of the new river in the
+bed of the long empty <I>barranca</I> astonished these cowmen exceedingly.
+And when they heard all that the boys had to tell they were almost of
+the opinion that they must have been dreaming.
+</P>
+
+<P>
+But there was the evidence before their very eyes, and nobody could
+deny that the old-time river, that had been bottled up underground for
+so long, had finally found a way to break forth once more, aided by the
+geyser that for a century had beaten that tremendous tattoo every
+little while against the inner walls of the rocky mountain.
+</P>
+
+<P>
+"Then there won't be no more racket, will there?" old Hank asked, as he
+lay there, looking down at the rushing current of the new stream that
+would no doubt readily follow its long abandoned course, until it
+reached the distant Colorado, somewhere along the Grand Canyon.
+</P>
+
+<P>
+"The chances are against it," replied Frank.
+</P>
+
+<P>
+"But let's try and find our horses," Bob suggested, after he had
+finished eating what food the newcomers had taken the pains to prepare
+for the lost ones.
+</P>
+
+<P>
+"Yes, I'm anxious myself to find out how Buckskin's weathered the
+gale," Frank put in.
+</P>
+
+<P>
+The two horses were found in good shape, but glad to once more see
+their masters, if the whinnies that greeted the coming of Frank and Bob
+might be looked upon as evidence of this.
+</P>
+
+<P>
+And then another difficult task awaited them. To get the animals down
+to the level plain, now that the canyon was out of commission, taxed
+the ingenuity of even so expert a plainsman as Hank Coombs; but it was
+finally accomplished.
+</P>
+
+<P>
+Then the horses of the cowboys were found, and the entire party started
+for the distant ranch, expecting to complete their jaunt before sundown.
+</P>
+
+<P>
+Old Hank was deeply interested in what the boys had to tell about the
+band of rustlers passing, with all the led horses.
+</P>
+
+<P>
+"Didn't git 'em from our ranch," he declared; "an' I reckons the
+X-bar-X must 'a suffered; or it might be the Arrowhead, over on the
+creek, was the one. But if so be Pedro Mendoza has been usin' that
+canyon to cross over the range with his stolen cattle an' horses, he'll
+hev to go further away now to do the same, 'cause his road's a rushin'
+river."
+</P>
+
+<P>
+"We sure have had a great time of it," declared Bob, as they came in
+sight of the buildings of the ranch, and heard the loud calls of the
+cowboys who were driving some of the stock in from the range, to get it
+ready for shipment later.
+</P>
+
+<P>
+"Yes, and think what we found out," Frank pursued. "First of all the
+mystery of Thunder Mountain is known, and from this time on those
+roaring sounds will never again be heard."
+</P>
+
+<P>
+"And the Indians will be wondering why the Great Spirit is angry with
+his red children, so that he refuses to speak to them," Bob continued.
+</P>
+
+<P>
+"And then there is that little affair about Lopez," Frank remarked,
+smiling at the recollection. "We have learned who Lopez is, and what
+his grandfather, Lemuel Smith, was doing in that cave. Think of Peg
+and his two guides getting out of the region without finding out a
+thing!"
+</P>
+
+<P>
+"Say won't they be just as mad as hops, though, when they learn about
+what we saw and heard," chuckled Bob. "It's been a great time, all
+right. And Frank, we'll never again have anything like the fun we had
+in that old <I>barranca</I>. It makes my blood just jump through my veins
+to think of it."
+</P>
+
+<P>
+"You're right," said Frank, "I don't believe we ever will!"
+</P>
+
+<P>
+But like many other persons who cannot look ahead even one hour, and
+know what the future holds for them, both the saddle boys were very
+much mistaken. There were plenty of stirring adventures awaiting them
+ere many weeks had passed, some of which will be related in the next
+volume of this series, called "The Saddle Boys in the Grand Canyon; Or,
+The Hermit of the Cave." And those of our boy friends who have found
+more or less interest in the present story of life in the far
+Southwest, will doubtless be glad to read more of the doings of Frank
+Haywood and his brave Kentucky chum, Bob Archer.
+</P>
+
+<P>
+That Peg and his guides reached home safely Frank knew shortly, when he
+happened to meet the bully on the trail. Peg was eager to hear at
+first hand all that had happened, and made friendly overtures with that
+design in view; but this did not deceive Frank in the least. He
+realized that Peg was more bitter than ever, and believed that if the
+opportunity ever came the bully would not hesitate to do anything that
+he thought would annoy the chums.
+</P>
+
+<P>
+Frank had also found that the prospector, Smith, and his little Mexican
+granddaughter, had reached home in safety. The successful lode hunter
+purchased a ranch; and when Frank met him some time later he was riding
+around the country in a fine automobile, buying stock. Inez was with
+him, and never again would the brave little girl have to dress as a boy
+in order to carry supplies up into the canyons of the mountains.
+</P>
+
+<P>
+Thunder Mountain never again uttered a sound of warning. The Indians
+marveled much, and consulted their greatest medicine men as to why the
+voice of Manitou called no more. But the whites knew; and a load was
+thereby taken from the mind of many a superstitious cowboy, who, when
+watching his charges through the vigils of the night, could look toward
+the rocky height without that feeling of uneasiness that had always
+been present when he believed the mountain to be haunted.
+</P>
+
+<BR><BR><BR>
+
+<H3 ALIGN="center">
+THE END
+</H3>
+
+<BR><BR><BR><BR>
+
+
+
+
+
+
+
+
+<pre>
+
+
+
+
+
+End of Project Gutenberg's The Saddle Boys of the Rockies, by James Carson
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+</BODY>
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+</HTML>
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+Project Gutenberg's The Saddle Boys of the Rockies, by James Carson
+
+This eBook is for the use of anyone anywhere at no cost and with
+almost no restrictions whatsoever. You may copy it, give it away or
+re-use it under the terms of the Project Gutenberg License included
+with this eBook or online at www.gutenberg.org
+
+
+Title: The Saddle Boys of the Rockies
+ Lost on Thunder Mountain
+
+Author: James Carson
+
+Release Date: August 25, 2006 [EBook #19120]
+
+Language: English
+
+Character set encoding: ASCII
+
+*** START OF THIS PROJECT GUTENBERG EBOOK THE SADDLE BOYS OF THE ROCKIES ***
+
+
+
+
+Produced by Al Haines
+
+
+
+
+
+
+
+
+
+
+[Illustration: THE BIG POWERFUL BLACK ACTED AS THOUGH HE HAD GONE WILD.]
+
+
+
+
+
+
+The Saddle Boys of the Rockies
+
+Or
+
+Lost on Thunder Mountain
+
+
+BY
+
+CAPTAIN JAMES CARSON
+
+
+
+AUTHOR OF
+
+ "THE SADDLE BOYS IN THE GRAND CANYON,"
+ "THE SADDLE BOYS ON THE PLAINS,"
+ "THE SADDLE BOYS AT CIRCLE RANCH," ETC.
+
+
+
+ILLUSTRATED
+
+
+
+NEW YORK
+
+CUPPLES & LEON COMPANY
+
+PUBLISHERS
+
+
+
+
+Copyrighted 1913, by
+
+CUPPLES & LEON COMPANY
+
+
+THE SADDLE BOYS OF THE ROCKIES
+
+
+
+
+CONTENTS
+
+
+CHAPTER
+
+ I. ACCEPTING A CHALLENGE
+ II. THE STRANGE ACTIONS OF DOMINO
+ III. OLD HANK COOMBS BEARS A MESSAGE
+ IV. A NOTE OF WARNING AT THE SPRING HOLE
+ V. THE VOICE OF THE MOUNTAIN
+ VI. A SECOND ALARM
+ VII. THE "RUSTLERS"
+ VIII. A STARTLING DISCOVERY
+ IX. WHAT HAPPENED TO PEG
+ X. THREATS OF TROUBLE
+ XI. THE BLACK NIGHT
+ XII. LOSING THEIR BEARINGS
+ XIII. THE SMOKE TRAIL
+ XIV. A CALL FOR HELP
+ XV. SPANISH JOE DROPS A HINT
+ XVI. THE VENT HOLE IN THE WALL
+ XVII. FRANK HOLDS THE HOT STICK
+ XVIII. A GUESS THAT HITS THE BULLSEYE
+ XIX. THE WORKING OF THE GOLD LODE
+ XX. TRAPPED IN THE CANYON
+ XXI. A CLOSE CALL
+ XXII. ONCE MORE AT CIRCLE RANCH--CONCLUSION
+
+
+
+
+THE SADDLE BOYS OF THE ROCKIES
+
+
+CHAPTER I
+
+ACCEPTING A CHALLENGE
+
+"Hello! what brought you here, Frank Haywood, I'd like to know?"
+
+"Well, I reckon my horse, Buckskin, did, Peg."
+
+"And who's this with you--your new chum; the boy from Kentucky?"
+
+"That's who it is, Peg--Bob Archer; and he's come out West to see how
+life on the plains suits him."
+
+"Oh! a greenhorn, eh?"
+
+"Perhaps some people might call him that, though he knows a heap about
+horses. But seems to me, Peg, 'twasn't so very long ago that you
+yourself dropped in on us here. Since when did you climb up out of the
+tenderfoot class, tell me?"
+
+The boy who answered to the name of Frank Haywood was a rather chunky,
+well set-up lad of about sixteen. He had blue eyes, that were usually
+sparkling with mirth; and a mop of yellow hair; while his skin was
+darkened by long exposure to sun and wind.
+
+Frank was the son of a rancher, who not only owned a large tract of
+land with many herds, but had interests in paying mines located among
+the mountains of the Southwest. Of course he knew more or less
+concerning such things as cowboys practice; though never a day passed
+on which Frank could not pick up new ideas connected with life in the
+open.
+
+His companion, Bob Archer, was considerably taller than Frank, straight
+as an Indian, though rather inclined to be slender; but with a
+suppleness that indicated such strength and agility as the panther
+displays.
+
+Coming from Kentucky, Bob could at least boast of long familiarity with
+horses; and his cleverness in this line promised to make him a crack
+horseman when he had picked up a few more of the tricks known to range
+riders.
+
+Both of the boys were especially fond of roaming the country, mounted
+on their favorite steeds; and indeed, they were becoming known far and
+near as the "Saddle Boys" because of their being seen so frequently,
+dashing over the prairies at top-notch speed.
+
+Peg was the nick-name which had followed Percy Egbert Grant all the way
+from the Chicago suburb, where, for some years, he had played the part
+of both dude and bully. His father was very wealthy, and Peg always
+had more money than was good for him.
+
+When he came to the great X-bar-X ranch, not so very far distant from
+the Haywood home place, Peg had adopted the same tactics that had
+carried the day for him in the past. The cowboys belonging to his
+father's estate seemed to knuckle under to him from the first. However
+much they might ridicule Peg behind his back, they cringed when he gave
+orders; because he was a liberal paymaster, and no one wished to incur
+his enmity.
+
+So it came to pass that Peg actually began to believe himself of great
+importance in the community. He assumed airs that ill became one who
+was really ignorant of many things connected with ranch life.
+
+He and Frank had never become friends. There was something about the
+fellow that the saddle boy could not tolerate. More than once they had
+almost come to blows; and, only for the peace-loving nature of Frank,
+this must have occurred long ago.
+
+The two chums had taken the long gallop to the town on the railroad on
+this particular day to do a little important business for Mr. Haywood,
+who was associated with Bob's uncle in certain large mining
+enterprises. And it was while entering the town that they met Peg,
+who, with his customary assurance, had halted them with the question
+that begins this chapter.
+
+When Frank give him this little cut, the face of Peg Grant showed signs
+of anger. He knew very well that he was making wretched progress along
+the line of becoming an accomplished rider and cowboy. And the easy
+manner in which the other boys sat their saddles irritated him greatly.
+
+"What does it matter to you, Frank Haywood, when I left the greenhorn
+class and moved up a pace? All the boys of the X-bar-X outfit say I'm
+full-fledged now, and able to hold my own with nearly any fellow.
+It'll be some time, I reckon, before your new friend can say the same.
+But I will own that he's got a horse that takes my eye, for a fact."
+
+"That's where you show good judgment, Peg," said Frank, laughing. "He
+brought that black horse with him from Kentucky. And he can ride some,
+you'd better believe me. When he gets on to the ways we have out here,
+Bob will hold his own against heaps of boys that were born and brought
+up on the plains."
+
+"Say, I don't suppose, now, you'd care to sell that animal, Archer?"
+asked Peg, as he eyed the handsome mount of the Kentucky boy enviously.
+"Because I fancy I'd like to own him more than I ever did that frisky
+buckskin Frank rides. If you'd put a fairly decent price on him now--"
+
+"I raised Domino from a colt, I broke him to the saddle, and we have
+been together five years now. Money couldn't buy him from me," replied
+the tall boy, curtly.
+
+It was not Bob Archer's habit to speak in this strain to anyone; but
+there seemed to be a something connected with Peg Grant that irritated
+him. The manner of the other was so overbearing as to appear almost
+rude. He had had his own way a long time now; and thus far no one
+connected with the big ranch owned by his father had arisen to take him
+down.
+
+"Oh! well, there are plenty of horses just as good, I guess," Peg went
+on; "and some people don't appreciate the value of money, anyway. But
+see here, Frank, you let your eyebrows travel up when I mentioned the
+fact that I'd graduated from the tenderfoot class. I could see that
+you doubted my words. Now, I'm going to tell you something that will
+surprise you a heap. Are you ready for a shock?"
+
+"Oh; I can brace myself for nearly anything, Peg," replied Frank,
+easily; "so suppose you tell us your great news. Have you entered for
+the endurance race at the annual cowboy meet next month; or do you
+expect to take the medal for riding bucking broncos?"
+
+"Any ordinary range rider might do that, even if he lost out," Peg went
+on; "but my game is along different lines; see? I'm on my way right
+now to run down the mystery of Thunder Mountain! I understand that for
+years it's puzzled the whole country to know what makes that roaring
+sound every now and then. Many cowboys couldn't be hired to spend a
+single night on that mountain. As for the Indians, they claim it is
+the voice of Great Manitou; and steer clear of Thunder Mountain, every
+time. Get that, Frank?"
+
+"Well, Peg, you have given me a jolt, for a fact," answered the saddle
+boy, as his face expressed his surprise. "I allow that you show a lot
+of nerve in laying out such a big plan; and if you only find out what
+makes that trembling, roaring sound, you'll get the blessing of many a
+range rider who believes all the stories told about Thunder Mountain."
+
+Peg stiffened up in his saddle, as though he realized that he was
+engineering a tremendously important thing; and had a right to be
+looked up to as a hero, even before the accomplishment of the deed.
+
+"Well, that's always the way with you fellows out here, I find," he
+remarked, loftily; "you leave all the big things to be done by fellows
+with real backbone. But then, I don't mind; in fact I'm obliged to you
+for neglecting your opportunities so long. Just you wait, and you'll
+hear something drop. Couldn't I induce you to name a price on that
+black beauty, Archer?"
+
+"Domino is not for sale at any price," replied the other, quietly.
+
+"Oh! all right then. So long, Frank. Go back home, and wait till I
+send you word about what I've found out!" and with a careless wave of
+his arm Peg whirled his horse around, and galloped off.
+
+"Now, I wonder did he mean that; or was he just bluffing?" said Frank,
+as he turned to his chum.
+
+"He looked as if he might be in dead earnest," replied Bob; "but you
+know him better than I do, and ought to be able to say whether he'd
+have the sand to take up such a job as that."
+
+"Oh! nobody doubts his grit, when it comes to that," Frank went on, as
+though trying to figure the matter out. "And he seems to want to do
+something everybody else lets alone. You know what I told you about
+Thunder Mountain, Bob; and how it has been a mystery ever since the
+country hereabout was settled by people from the East?"
+
+"Yes," the Kentucky boy replied, "and somehow, what you told me seemed
+to shake me up as I don't ever remember being stirred before. It was
+like a direct challenge--just like somebody had dared me to look into
+this queer old mountain, and find out what it all meant."
+
+"That's just it," said Frank, watching the face of his chum with a show
+of eagerness. "It struck me the same way long ago, and I can remember
+often thinking what a great time a few of the right kind of fellows
+might have if they took a notion to go nosing around that old pile of
+rock, to see what does make all that row every little while."
+
+"And you tell me nobody knows what it is?" demanded Bob.
+
+"Why, don't you understand, the cowboys all keep away from Thunder
+Mountain as much as they can. They're worse than the Injuns about it,
+because while the reds say that is the voice of Manitou talking, these
+fellows just up and declare the mountain is haunted. Lots of 'em
+couldn't be hired to spend a night on the side of that big uplift."
+
+"But Frank, we don't believe in any such thing, do we?" pursued Bob, as
+if he had begun to suspect what all this talk was leading up to, and
+wished to draw his chum on.
+
+"We sure don't, and that's a fact," declared Frank. "Twice, now, one
+of our boys has made out that he saw a ghost, but both times I managed
+to turn the laugh on him. All the same, if you offered a lump sum for
+any fellow to go and camp out half-way up the side of Thunder Mountain
+for a week, I don't believe he could be found, not at Circle Ranch,
+anyhow."
+
+"I've seen the same kind of men myself; and the coons around our old
+Kentucky home always carried a foot of a graveyard rabbit, shot in the
+full of the moon, as a sure talisman against ghosts. I've seen many a
+rabbit's foot. No use talking to any of them; it's in the blood and
+can't be cured. But about that offering a sum for any fellow to go and
+camp on the side of that old fraud of a haunted mountain, if you happen
+to hear about such a snap you might just think of me, Frank."
+
+The other saddle boy smiled broadly. He believed he knew Bob pretty
+well by this time, and could no longer doubt what the Kentucky lad was
+hinting at.
+
+"Say, look here, would you take me up if I proposed something right
+now?" asked Frank, his face filled with sudden animation.
+
+"If you mean that we try and beat Peg Grant at his own game, and learn
+what the secret of Thunder Mountain is, I say yes!" answered Bob,
+steadily.
+
+"Shake on that!" he exclaimed. "I'm just primed for something that's
+out of the common run; and what could be finer than such a game? I saw
+Billy Dixon in town; and we can send back word to father that we've
+gone off for a big gallop; so he won't worry if we don't turn up for a
+few days. Is it a go, Bob?"
+
+"Count on me," replied the other. "I don't know how it is, Frank; but
+it strikes me that I'd like to cut in on that boaster in this thing.
+If we managed to find out what makes that fearful booming in the
+mountain, and told about it before he got a chance to blow his horn,
+he'd feel cheap, wouldn't he?"
+
+"He sure would, now," Frank said. "And when you look at it, he just
+the same as gave us the challenge direct, because he hinted that we
+didn't have the nerve to attempt such a big thing as this. Bob, we'll
+call it a go! Wonder what Peg will say when he runs across us out
+there in that lonely place? Wow! I reckon he'll be some mad."
+
+"Let him," remarked Bob, carelessly. "He has no claim on Thunder
+Mountain; has he? And we want to call his bluff, if it was one. So
+just make up your mind we're in for a new experience. It may pan out a
+heap of fun for us. And it will be worth while if we can settle the
+question that has been giving these superstitious cowmen the creeps all
+these years."
+
+"Then let's get through with our business, send word by Billy, though
+not telling what we've got in the wind, and then pick up a few things
+we might need on a trip like this. After that we can drop out of town,
+and take our time heading for the mountain; because I think I'd like
+Peg to get there first, so that he couldn't say we'd stolen his
+thunder."
+
+Half an hour later the saddle boys, having finished their business, and
+sent the Circle ranch cowboy galloping homeward bearing the message to
+Mr. Haywood, were moving slowly through the main street of the town,
+heading toward a store where they could pick up a couple of blankets, a
+simple cooking outfit, and some of the substantials in the way of
+bacon, coffee and the like, when they came upon a scene that instantly
+attracted their attention.
+
+It was a terrified cry that reached their ears at first, and caused
+both boys to pull in their horses. Glancing in the direction whence
+the sound of distress seemed to spring, they saw a small Mexican girl
+struggling with an over-grown fellow, garbed in the customary range
+habit, even to the "chaps" of leather covering his trousers.
+
+Both Frank and Bob jumped from their saddles, for the little affair was
+taking place in the courtyard of an inn that fronted on the street.
+Whether the brute was simply playing the bully, and trying to kiss the
+girl; or meant to strike her for getting in his way, Bob Archer did not
+stop to inquire.
+
+His warm Kentucky blood on fire, he made a swoop for the fellow, and
+managed to give him a tremendous blow that toppled him over in a heap.
+
+"Lie there, you coward!" he exclaimed.
+
+And then, as the fellow whom he had knocked down struggled to his
+knees, to stare up at him, Bob discovered, not a little to his
+surprise, and satisfaction as well, that he was looking into a familiar
+face.
+
+It was Peg Grant!
+
+
+
+
+CHAPTER II
+
+THE STRANGE ACTIONS OF DOMINO
+
+"Well, I declare!" exclaimed Frank; which remark showed how much
+surprised he was to recognize the youth whom his chum had sent to the
+ground.
+
+"What do you mean by hitting me like that?" snarled the rich man's son,
+as he managed to scramble to his feet again, though he seemed a bit
+"groggy," and one of his eyes was already turning dark, as if it had
+come in violent contact with a stone when he struck the ground.
+
+"What do _you_ mean, hurting that poor little Mexican girl?" demanded
+Bob, who stood on his guard, as though he might not be averse to trying
+conclusions with the bully, if so be the other felt like seeking
+satisfaction for his upset.
+
+"She sassed me when I ordered her to get out of my way, that's what she
+did;" declared Peg, wrathfully, "and I'd look nice now, wouldn't I,
+letting a little greaser kid talk back to me? So I was just giving her
+a good shaking when you broke in. Guess you didn't know who you were
+hitting when you did that, Bob Archer!"
+
+"Perhaps I didn't," replied the Kentucky lad, calmly; "though that
+wouldn't have made any particular difference. Any cur who would lay
+his hands on a child like that ought to get knocked down every time.
+I'd do it again if you gave me the chance!"
+
+Peg stared at him. Perhaps he had never been treated in this manner
+before. All his life his acquaintances had truckled to him on account
+of the great wealth of his father, and the liberal way he himself, as a
+boy, rewarded those who were allowed the privilege of being his cronies
+or mates.
+
+"You--would, eh?" he gasped, as if hardly daring to believe his ears.
+"Even if you knew it was Peg Grant you'd treat me that way; would you?
+I'll remember that! I'm not the one to forget in a hurry. Some day,
+perhaps, you'll wish you'd never tried to play the hero part, and hit
+me when my back was turned. I've got a good notion to teach you a
+lesson right now; that's what!"
+
+"All right," remarked Bob, coolly. "Suppose you begin. I was never in
+a better humor for trouble. Somehow I seemed to just know we'd hit it
+up sooner or later if our trails crossed. I give you my word, my
+friend here won't put a finger on you, if so be you get the better of
+the row; will you Frank?"
+
+"I should say not," declared the lad, instantly, adding: "and unless I
+miss my guess there won't be any need of it, either."
+
+"Are you coming on, Peg?" asked the Kentucky lad, temptingly.
+
+From under his drooping eyebrows Peg observed how easily the other had
+assumed a position of self-defense. Somehow Peg did not fancy the
+athletic build of his antagonist; for, while Bob was rather slender, he
+had the marks of one accustomed to exercise; possessing at least
+ordinary ability to take care of himself.
+
+"It'll keep, and be all the better for the delay," Peg grumbled, as he
+clenched one fist furiously, and used the other hand to feel of his
+injured optic. "Besides, I don't feel fit to fight right now, with
+this bunged-up eye. But just wait till the right time comes, and see
+what you get then for doing this."
+
+"Oh! well, suit yourself," returned Bob, with a laugh. "If the little
+brown-faced girl hadn't vamoosed I declare if I wouldn't feel like
+making you get down on your knees, and asking her to excuse you. Bah!
+you're not worth bothering about, Peg. Get out!"
+
+The other moved away. He did not like the manner in which Bob said
+this; and he seemed to be afraid that perhaps the other might yet
+decide to press some further indignity on him.
+
+When, however, he had reached the door of the inn, so that he could
+have a way of escape open to him in case of need, he stopped and shook
+his fist threateningly toward the saddle boys.
+
+"You're both going to pay dear for this little fun, hear that?" he
+called, his voice trembling with passion. "I'll find a way to get
+even, see if I don't! And when Peg Grant says that he means it, too!
+Just you wait till I----"
+
+And then, as Bob started to advance toward the hostelery Peg retreated
+in a panic, slamming the door after him.
+
+"Well, what d'ye think of that?" asked Frank, who had been an amused
+observer of this curious scene.
+
+"He's turned out just what I thought he would," remarked Bob, as he
+once more gained the side of his comrade, a grim smile on his face.
+"Whenever you run across a fellow who likes to boast of the way he does
+things, make up your mind he's a rank coward, every time. No matter
+what he claims he will do, there's a yellow streak in him _somewhere_,
+and sooner or later it's bound to show."
+
+"I believe you're just about right, Bob," said Frank; "and it agrees
+with my own opinion exactly. Still, that fellow can be dangerous if he
+wants."
+
+"So can a rattlesnake; but at any rate the reptile is honest, for he
+gives plenty of warning before he tries to strike; and that's more'n
+Peg would do, if I read him straight."
+
+"You must keep an eye out for him after this, Bob. He'll never forgive
+you that crack. My! but didn't it drop him, though! Just like a steer
+would go down when the loop of a lariat closes on his foreleg. That
+fellow will lie awake nights trying to get even with you."
+
+"Let him," remarked Bob, carelessly; "next time perhaps I'll put a
+little more steam back of my fist, if he pushes me too hard. That's
+the way they treat cowards back where I was brought up; and they call
+anybody by that name who will put his hand in anger on girl or woman.
+But see here, Frank, is this little affair going to force us to change
+our plans?"
+
+"Whew! I forgot all about that," said the other, with a whistle, and
+an uplifting of his eyebrows. "If we go poking around Thunder
+Mountain, and Peg is there, with a couple of the tough cowboys he has
+trailing after him most of the time, Spanish Joe and Nick Jennings,
+perhaps we'll run up against a peck of trouble."
+
+"Well, how about it?" asked Bob, with a shade of annoyance on his face.
+
+"What do you say?" asked Frank, in turn.
+
+"Go, by all means," came the quick response. "You don't think so mean
+of me as to believe I'd be frightened off by the bare chance of running
+across that fellow's trail out there; do you, Frank?"
+
+"All right, call it a bargain, then. I'm with you through thick and
+thin, Bob. Let Peg have a care how he meddles with us. We're going to
+pay attention to our own business, and he'd better do the same. But
+what became of the little Mex? I thought I'd seen her face before,
+somewhere, but she skipped out before I could take a second look. Some
+cowboy, or cattle rustler's child from beyond the Rio Grande, I reckon.
+Well, come along, let's get in the saddle again, and finish our
+shopping. Then we'll go out to the country along the river, and put in
+a day waiting for Peg to have his chance at finding out what makes
+Thunder Mountain groan and shake just so often, and scare the Injuns
+out of their seven senses."
+
+As the two chums swung themselves into their saddles, and cantered
+away, a head was thrust cautiously out from behind a pile of boxes near
+by; and then, finding the coast clear, the small girl who had been the
+cause of all the trouble darted across the courtyard, vanishing beyond
+the gate.
+
+Frank and Bob went about making their purchases, first fastening their
+horses to a rail in front of the general store, where everything they
+needed could be bought.
+
+More than one cattleman in passing would cast an envious eye toward
+those two splendid mounts, for they could not fail to catch the
+attention of anyone accustomed to judging horseflesh, as these Western
+men were. Still, it would be a bold man indeed, white or Indian, who
+would dare attempt to steal a horse in broad daylight, in a country
+where such a thief was treated to a rope when caught.
+
+Frank had had considerable experience in roughing it, while his comrade
+was, in a measure, new to such a life. Consequently it was Frank whose
+judgment was called into play when making a selection of the things
+that would be essential to their comfort when on this new campaign.
+
+Many articles they could do without; but a blanket apiece was
+absolutely necessary, as was a frying pan and coffee pot, two cups, as
+many platters, as well as common knives, forks and spoons such as
+prospectors and cattlemen use.
+
+For food they took some bacon, coffee, dried meat, hard-tack in place
+of bread, a can of condensed milk, and several other things which would
+carry well.
+
+"We must make them up in two packs," Frank went on; "so that each of us
+can fasten one to his horse, back of the saddle. And, as I'm an old
+hand at this business, just watch me get a hustle on. Next time you'll
+know how to go about it for yourself, Bob."
+
+The Kentucky boy always studied everything his comrade showed him, for
+it was his ambition to excel in the many little tricks connected with
+the free life of the plains. Things were done so differently here from
+what he had been accustomed to in his old Kentucky home, before his
+father died, that they often puzzled him; but Bob was a persistent boy,
+and would never rest content until Frank could teach him no more.
+
+Neither of them suspected what was going on outside, while they busied
+themselves in purchasing the supplies needed for the little campaign in
+the neighborhood of the mysterious mountain. And yet all was not as
+quiet as it might be.
+
+The saddle boys had hardly been inside the general store ten minutes
+before a slinking figure might have been observed drawing nearer and
+nearer to the horses ranged along the bar. There were several besides
+the animals of our two young friends; but, somehow, the handsome black
+seemed to attract the entire attention of this shadowy form.
+
+Twice he stopped, and assumed an attitude that would indicate his utter
+indifference to such commonplace things as horses. Then, finding that
+it must have been a false alarm, he would edge closer.
+
+Finally he was beside the black horse, uttering low words such as
+cowboys make use of to soothe a restive steed when they mean to throw a
+saddle across his back, and cinch the girth.
+
+Two men came out from the store, and drew near. The slim figure,
+finding it out of the question to flit hurriedly away, without
+attracting attention, which was just the thing he wished to avoid,
+commenced stroking the sleek side of the big black Kentucky
+thoroughbred, as though he might be a cowboy connected with the far
+famed Circle ranch of Frank's father.
+
+Casting just one casual glance toward him, the men threw themselves
+into their saddles with the rapidity and grace of true plainsmen, and
+went galloping off.
+
+Two minutes later the shadowy figure of the man flitted away from the
+line of horses that remained. If his purpose had been to steal the
+black he must have changed his mind, for there was no break in the
+chain of horses that stood there, impatiently scraping the ground with
+their forefeet.
+
+A little later out came Frank and Bob, each bearing a compact bundle
+which they quickly fastened back of their saddles.
+
+Bob was the first to mount, and this action was hurried because he
+hardly knew what to make of the restless actions of Domino. The animal
+seemed to be dancing up and down as though he had stirred up a hornet's
+nest, and the little insects were charging his exposed legs.
+
+No sooner was Bob in the saddle than the horse gave a shrill neigh, and
+dashed off like a crazy creature. Indeed, a less experienced rider
+than Bob would have been instantly thrown by the sudden and unexpected
+move, something that Domino had never been known to attempt before.
+
+Frank looked up in astonishment. His practiced eye told him in an
+instant that the sudden violent dash had not been engineered in the
+least by his chum; but was altogether the result of fright on the part
+of Domino. Why, the big and powerful black acted as though he had gone
+wild, jumping madly about, now fairly flying off to one side, only to
+whirl and dance and leap high in the air, until every one within seeing
+distance was staring at the strange spectacle. And this, too, in a
+town where bucking broncos were a common sight.
+
+Frank had gained his saddle, and was chasing after his friend, but just
+then the black had taken a notion to run, and apparently nothing in
+that country could overtake him while his present savage mood held out.
+
+"What ails the beast?" Frank asked himself, as he drew rein and watched
+the other passing beyond range of his vision among the stunted
+mesquites outside of the edge of the town. "He acts like a locoed
+horse; but there isn't a bit of the poison weed growing within twenty
+miles of here. And why was Peg Grant standing on the stoop of the
+tavern grinning as I rode past? Can he have had a hand in this sudden
+crazy spell of the black? Spanish Joe knows all the tricks of putting
+a thorn under a saddle, that will stab the horse when the rider mounts.
+Is that the trouble now? If it is then it's lucky my chum knows as
+much as he does about managing a horse, or he would never come back
+alive from that mad ride. And all I can do is to sit here, wait for
+his return, and watch Peg Grant and his cronies!"
+
+
+
+
+CHAPTER III
+
+OLD HANK COOMBS BEARS A MESSAGE
+
+If there was one thing Bob could do well, it was to ride. Born in
+Kentucky, where horses take a leading part in the education of most
+boys, Bob had always spent a good part of his time in the saddle.
+
+Hence, when he came out here to the plains, the cowboys of the ranch
+found that, in his own way, he was well versed in managing the fine
+black horse he brought along with him.
+
+Of course there were dozens of tricks which these daring riders of the
+plains could show the tenderfoot from the South; but when it came down
+to hard riding Bob was able to hold his own.
+
+When his powerful horse bolted in such a strange fashion Bob simply
+kept his seat, and tried to soothe Domino by soft words. For once the
+remedy failed to produce any immediate effect. The animal seemed
+fairly wild, and tore along over the open country like mad.
+
+"He never acted like this before in all his life," thought Bob, as he
+found considerable difficulty in keeping his saddle, such were the
+sudden whirls the black made in his erratic course.
+
+But although he had by no means learned all the things known to old
+cowmen, Bob had picked up quite a few points since arriving at the
+ranch. He had even heard of a mean trick practiced by revengeful
+Mexicans, and others, when they wished to place a rival's life in
+danger.
+
+"Something has happened to him since we went into that store," Bob said
+again and again, as he puzzled his wits to hit upon an explanation for
+the animal's remarkable antics. "Now, what could it have been? Would
+any fellow be so mean as to fasten some of those prickly sand burrs
+under his tail? Or perhaps it's a poison thorn under the saddle!"
+
+This last idea seemed to strike him as pretty near the truth. He began
+to investigate as well as he was able during the rushing of the runaway
+horse. When, in pursuing his investigations, he ran his hand under the
+flap of the saddle, he could feel the horse start afresh, and his queer
+actions seemed worse than ever.
+
+"That's just what it is, as sure as anything!" Bob declared, his whole
+frame quivering with indignation at the thought of anyone being so
+cruel and treacherous; "but how in the wide world am I going to get at
+the thing?"
+
+His first impulse was to ease the strain all he could by removing his
+weight from the point where he believed the thorn to have been hidden.
+This he did by leaning forward after the manner of a clever jockey in a
+race, throwing pretty much all his body upon the shoulders and neck of
+the horse.
+
+Then he again began to speak soothingly in the ear of Domino. By
+degrees the horse seemed to slacken his wild pace.
+
+Encouraged by this fact, Bob continued the treatment. It appeared as
+though the intelligent animal must comprehend what was wanted, for,
+although evidently still in more or less pain, he gradually ceased his
+runaway gait, until, finally, at the command of "whoa!" Domino came to
+a complete stop.
+
+Bob was on the ground immediately. His horse was trembling with
+excitement and other causes. Bob continued to pat him gently, and
+speak soothing words. All the time he was working toward the buckle of
+the band by means of which the saddle was held firmly on the beast's
+back.
+
+Once he had a grip on this he made a sudden pull. Domino squirmed, and
+for the moment Bob feared the animal would break away.
+
+"Easy now, old fellow; take it quiet! I'll have that saddle off in a
+jiffy; and see what is wrong. Softly, Domino! Good old Domino!"
+
+While he was talking in this manner Bob was releasing the band; and,
+with a sudden jerk, he threw the saddle to the ground.
+
+His quick eye detected signs of blood on the glossy back of the
+Kentucky horse.
+
+"That's what it was!" he exclaimed, angrily. "A thorn of some kind,
+put there so that when I jumped into my seat my weight would drive it
+in. And I reckon, too, it would be just like the cowardly sneak to
+pick out one that had a poison tip! Oh! what a skunk! and how I'd like
+to see some of the boys at the ranch round him up! But I wonder, now
+could I find it? I'd like to get Frank's opinion on it."
+
+The horse had by now ceased his mad prancing. This proved that the
+cause for his strange actions had been removed when Bob cast the saddle
+off. And it did not require a hunt of more than two minutes to
+discover some little object clinging to the cloth under the saddle. It
+was, just as Bob had suspected, a thorn with several points that were
+as sharp as needles, and very tough.
+
+Bob put it away in one of his pockets. Then he once more replaced the
+saddle, carefully adjusting the girth so as to avoid any more pressure
+on the painful back of Domino than was absolutely necessary.
+
+The horse seemed to understand his master's actions, and, although
+still restive, allowed Bob to mount.
+
+Cantering along over the back trail, in half an hour Bob came in sight
+of his chum heading toward him.
+
+"Well," said Frank, as they finally met, "I was beginning to get
+worried about you, even though I knew you could manage a horse all
+right. It was a lively run, I should say," as he glanced at the
+foam-streaked flanks of the gloss black.
+
+"As fierce a dash as I ever want to take," answered Bob, patting his
+horse gently.
+
+"Did you find out what ailed him?" asked the other.
+
+"After I'd spent some time trying to keep from being thrown, I did."
+
+As he said this Bob drew the thorn from his pocket, and held it before
+Frank, who took the vicious little thing in his hand.
+
+"I thought so," he muttered. "That's Peg's idea of getting even with
+us; the coward!"
+
+"But you don't mean to say Peg did that?" exclaimed Bob, astonished.
+
+"Well, not with his own hand. He wouldn't know how, you see; but he
+had a Mexican cowboy along with him who is up to all these
+tricks--Spanish Joe. When we were busy in that store, he crept up and
+fixed this thorn under your saddle. Of course, as soon as you sprang
+into your seat, your weight just drove one of these tough little points
+in deeper. And, as the horse jumped, every movement was so much more
+torture. Get onto it, Bob?"
+
+"Sure I do; and I guessed all that while riding back. But tell me, why
+did he pick out _my_ horse, instead of your Buckskin?" asked the
+Kentucky boy.
+
+"Look back a little. Who was it gave Peg his little tumble when he was
+striking that child? Why, of course it was nobody but Bob Archer. I
+saw Peg standing on the porch of the tavern as I galloped after you;
+and give you my word, Bob, he had a grin on his face that looked as if
+it would never come off. Peg was happy--why? Because he had just seen
+you being carried like the wind out of town on a bolting nag. And I
+guess he wouldn't care very much if you got thrown, with some of your
+ribs broken in the bargain."
+
+Bob proceeded to tell how he had figured on what caused the queer
+antics of his horse, and then what his method for relieving the
+pressure had been.
+
+"Just what you should have done!" exclaimed Frank, enthusiastically.
+"Say, you're getting on to all the little wrinkles pretty fast. And it
+worked too, did it?"
+
+"Thanks to the smartness of Domino, it did," replied Bob, proudly.
+"Some other horses might have broken away as soon as their rider
+dismounted; but he's mighty near human, Frank, I tell you. He just
+stood there, quivering with excitement, and pain, till I got the thing
+off. But do you know what kind of thorn this is?"
+
+"I know it as well as you would a persimmon growing on a tree in Old
+Kentucky; or a pawpaw in the thicket. It's rank poison, too, and will
+breed trouble if the wound isn't taken care of in time.
+
+"That's bad news, old fellow. I'd sure hate to lose my horse,"
+remarked Bob, dejectedly, as he threw an arm lovingly over the neck of
+the black.
+
+"Oh! I don't think it'll be as bad as that; especially since I happen
+to have along with me in my pack some ointment old Hank Coombs gave me
+at a time I fell down on one of the same kind of stickers, and got it
+in my arm," and Frank opened the smaller of the two packs he had
+fastened behind his saddle.
+
+When the ointment was being thoroughly rubbed into the spot where the
+barb of the thorn had pierced the flesh of the animal, Domino seemed to
+understand what their object was. He gave several little whinnies,
+even as he moved uneasily when his master's hand touched the painful
+spot.
+
+"Now what's the programme?" asked Bob, after he had replaced the saddle.
+
+"Just what we decided on before," replied his chum; "a little rest
+before we make a start. Twenty-four hours will do Domino considerable
+good, too. How did you come out about the duffle you were carrying;
+any of it get lost?"
+
+"None that I've noticed. I'll make a round-up and see, before we go
+any further," Bob remarked, examining the packages secured behind his
+saddle.
+
+"How?" queried Frank, in the terse, Indian style, as he saw that the
+other had gone carefully over the entire outfit.
+
+"Everything here, right side up with care. And now I'll have to mount
+again, a thing that may not appeal very much to Domino. But it's lucky
+I long ago learned the jockey way of riding, with most of the weight
+upon the withers of the horse. In that manner you see, Frank, I can
+relieve the poor beast more than a little."
+
+Together they rode off slowly. Really, for one day it seemed that the
+big black must have had all the running his fancy could wish. Besides,
+neither of the boys knew of any reason for haste. As Frank had
+suggested, it would perhaps be just as well to allow a certain amount
+of time to elapse, before pushing their intended investigation of the
+mysteries supposed to hover around Thunder Mountain.
+
+The afternoon had almost half passed when Frank's sharp eyes discovered
+a single horseman riding on a course that would likely bring him across
+their trail soon.
+
+"Seems to me there's something familiar about that fellow's way of
+sitting in the saddle," he observed; and then, reaching for the field
+glasses which he carried swung in a case over his shoulder, he quickly
+adjusted them to his eyes. "Thought so," he muttered, and Bob could
+see him smile as he said it.
+
+"Recognize the rider, then? Don't tell me now that it's Peg, or one of
+those slippery cowboy friends he has trailing after him," remarked Bob.
+
+"Here, take the glasses, and see what you think," replied the other,
+laughingly.
+
+No sooner had the Kentucky lad taken a single good look than he called
+out:
+
+"Who but old Hank Coombs, the veteran cow puncher of the Southwest! I
+suppose your father has sent him on an errand, Frank."
+
+"Just as likely as not, because he trusts old Hank more than any man on
+the entire ranch. You can see he's headed in a line that will fetch up
+at the Circle Ranch by midnight, if he keeps galloping on. Look there,
+he sees us, and is waving his arm. Yes, he's changed his course so as
+to meet us, Bob."
+
+"But if we needed the glass to find out who he was, how does it come
+that an old man like Hank could tell that we were friends, at such a
+distance?" asked the young tenderfoot, always eager to learn.
+
+"Because his eyes are as good as ever they were. Some of these fellows
+who have lived in the open all their lives have eyes like an eagle's,
+and can tell objects that would look like moving dots to you. Let's
+swing around a bit, so as to keep old Hank from doing all the going."
+
+As he spoke Frank veered more to the left, and in this fashion they
+speedily drew near the advancing horseman. He proved to be a cowman in
+greasy chaps, and with many wrinkles on his weather-beaten face. But
+Hank Coombs was as spry as most men of half his age. He could still
+hold his place in a round-up; swing the rope in a dexterous manner;
+bring down his steer as cleverly as the next man; ride the most
+dangerous of bucking broncos; and fulfill his duties with exactness.
+Few men grow old on the plains. Most of them die in the harness; and a
+cowboy who has outlived his usefulness is difficult to find.
+
+The veteran eyed the additional packs back of the saddles of the two
+boys with suspicion in his eyes. He knew the venturesome nature of his
+employer's son; and doubtless immediately suspected that Frank might
+have some new, daring scheme in view, looking to showing his friend
+from the East the wonders of this grand country, where the distances
+were so great, the deserts so furiously hot, the mountains so lofty,
+and the prairies so picturesque.
+
+"Ain't headin' toward home, are ye, Frank?" was the first question Hank
+asked, as they all merged together, and rode slowly onward in company.
+
+"Oh! not thinking of such a thing, Hank," replied the boy. "Why, we
+only left the ranch yesterday, you know, and meant to be away several
+days, perhaps a week. But I'm glad we ran across your trail right now,
+Hank, because you can take a message to dad for me."
+
+"Glad to do that same, Frank," the veteran cowman replied, and then
+added: "but jest why are ye headin' this way, might I ask? It's a wild
+kentry ahead of ye, and thar be some people as don't think it's jest
+the safest place goin', what with the pesky cattle-rustler crowd as
+comes up over the Mexican border to give the ranchers trouble; and
+sometimes the Injuns off their reservation, with the young bucks primed
+for a scrap."
+
+"Is that all, Hank?" asked Frank, turning a smiling face upon the old
+rider. Hank moved uneasily, seeming to squirm in his saddle.
+
+"No, it ain't," he finally admitted, with a half grin; "that's Thunder
+Mounting about twenty mile ahead o' ye. None o' us fellers keers a
+heap 'bout headin' that-a-way. Twice I've been 'bliged to explore the
+canyons thar, arter lost cattle; but I never did hanker 'bout the job.
+It's a good place to keep away from, Frank."
+
+"You don't say, Hank!" chuckled the boy. "Too bad; but you see that's
+just the very place we expect to head for to-morrow--Thunder Mountain!"
+
+The old man looked closely at him, and shook his head.
+
+"I don't like to hear ye say that, Frank," he muttered, uneasily; "an'
+I kinder reckons as how yer father'll feel oneasy when I tell him what
+yer up to. 'Cause, I opine, ye wants me to carry thet same news back
+home; don't ye?"
+
+"Sure," answered the other, laughing. "That's what I meant when I said
+I was glad we'd met up with you, Hank."
+
+"But ye didn't expect to take a turn thar when ye left home, did ye?"
+the veteran cowman went on.
+
+"Never entered my head, Hank. Fact is, we weren't thinking of Thunder
+Mountain up to an hour or two ago, when we ran across Peg Grant, who
+was in town with his two followers, Spanish Joe and Nick Jennings."
+
+"The wust as ever throwed a leg over leather," muttered Hank, between
+his teeth. "We been talkin' it over, some o' us boys, an' 'bout kim to
+the conclusion as how them fellers must be in touch with the Mendoza
+crowd o' rustlers as draps over the Rio Grande every leetle while, to
+grab a bunch o' long horns."
+
+"My opinion exactly, Hank," went on Frank. "But listen till I tell you
+what they are thinking of doing about finding out the secret of Thunder
+Mountain."
+
+Quickly he related the incident of their meeting Peg, and of his boast.
+
+"They'll never do it, mark me," declared Hank, after he had been put in
+possession of the main facts. "Thet noise ain't human! I been
+a-hearin' it for the last forty years, an' I give ye my word it's
+gittin' wuss right along. The reds believe as how it's the voice of
+the Great Spirit talkin' to 'em. An' honest now, Frank, thems my
+sentiments to a dot."
+
+"In other words, Hank, you believe the mountain is haunted, and that
+anyone bold enough to wander into the unknown country that lies back
+there is going to get into a peck of trouble?" Frank asked, seriously.
+
+"Reckon as how that kivers the ground purty well," replied the cowman,
+grimly.
+
+"Well," Frank went on, "we happen to believe something different, and
+we mean to look into the thing a bit. It wouldn't surprise me to find
+that some sharp crowd has been taking advantage of the bad name Thunder
+Mountain has always had, to hide among those canyons. And, Hank, I'm
+going to look for the trail of some cattle while I'm there!"
+
+"Which I take it to mean," Hank continued thoughtfully, "that you
+kinder think them rustlers might be usin' the ha'nted mounting for a
+hiding place to keep the cows which they run away with? Um! wa'al now,
+I never thort o' that afore. But stands to reason no Mexicans'd ever
+have the nerve to go whar white cowmen kept away from."
+
+"Not unless they had solved the strange mystery of the mountain, and no
+longer saw any reason to be afraid of the thunder. But listen while I
+tell you something else that happened to my friend here."
+
+Frank then described the sudden bolt of Domino. At his first words the
+experienced western man looked wise. He had immediately guessed what
+caused the unexpected action of the usually tractable black horse.
+
+"As low down a trick as was ever carried out," he remarked, finally, as
+he looked at the thorn. "And jest sech as thet sneakin' coyote,
+Spanish Joe, would be guilty of tryin'. I've seen it done more'n a few
+times; and twict the critter was rounded up, and treated like he'd been
+a hoss thief; 'case ye see, in each case 'twar a woman as rid the
+animile as got the thorn. But ye must let me rub somethin' on thet
+wound right away, Bob."
+
+"Don't bother," sang out Frank, cheerfully; "because we happened to
+have with us that ointment you gave me, and I used it a while ago.
+I'll put on more to-night when we get the saddles off, and once again
+in the morning."
+
+"Then ye mean to go into camp soon?" inquired Hank.
+
+"See that timber over yonder, where a stream runs? We'll settle down
+for the night there. Better hold over with us, Hank, unless you're in
+a terrible hurry to get back home," Frank observed.
+
+"I'd like to fust rate, Frank; and p'raps thar aint no sech great need
+o' gittin' back to the ranch to-night. Yes, I'll hang over. P'raps I
+kin coax ye to give up that crazy ijee 'bout Thunder Mounting."
+
+And when they had settled down under the trees, with the westering sun
+sinking toward the horizon where, in the far distance, Frank pointed
+out to his chum the towering peak toward which they were bound, old
+Hank did try to influence his employer's son into giving up his
+intended trip.
+
+It was useless, however. Frank had made up his mind, and obstacles
+only served to cause him to shut his teeth more firmly together and
+stick to his resolution. And so they spent the night very comfortably,
+under the twinkling stars.
+
+"Tell dad not to worry about us at all, Hank," Frank said to the
+veteran, on the following morning, as they were bidding him good-bye.
+"We'll turn up all right in the course of a few days. And perhaps, who
+knows, we might be able to tell you all about the queer noise that
+shakes the earth every little while around the big uplift. So-long,
+Hank!"
+
+The old cowman sat in his saddle, and looked after the two boys as
+their horses went prancing away, each of the riders turning once or
+twice to wave a jolly farewell, with uplifted hats.
+
+"As fine a pair o' happy-go-lucky boys as ever drawed breath," Hank
+muttered, as his eyes followed their vanishing forms beyond the
+mesquite thicket. "But I sure feel bad 'bout them goin' into that 'ere
+Thunder Mounting territory. I hopes Mr. Haywood'll start out with a
+bunch o' cowmen to round 'em up. But he thinks that Frank kin hold his
+own, no matter what comes along. If he don't show signs o' bein'
+worried, I'm goin' to see if the overseer, Bart Heminway, won't take
+the chances of sendin' several of us out to hunt for strays; an' it'll
+be funny now, how them mavericks all run toward Thunder Mounting."
+
+Chuckling, as if the new idea that had appealed to him gave him
+considerable satisfaction, the old cow-puncher stirred his little
+bronco into action, and was soon galloping away. But, more than a few
+times, he might have been observed to turn in his saddle and cast a
+look of curiosity, bordering on apprehension, toward the dimly-seen
+mountain that arose far away on the Southwestern horizon.
+
+For to Hank Coombs that peak stood for everything in the line of
+mystery and unexplained doings.
+
+
+
+
+CHAPTER IV
+
+A NOTE OF WARNING AT THE SPRING HOLE
+
+"Pull up, Bob; I sure glimpsed something moving, out there in the sage
+brush!"
+
+Both horses came to an immediate stop as the bridles were drawn taut.
+
+"Which way, Frank?" asked the Kentucky lad, eagerly, as he threw back
+his shock of black hair, and waited to see where the finger of his
+companion would point.
+
+"Whatever it was disappeared behind that spur of the low foot hills
+yonder. I just caught a peep of the last of it. Here, Bob, take the
+glasses, and wait to see if it shows up again on the other side of the
+rise," and Frank thrust the binoculars into the hand of his chum.
+
+"Think it could have been a prowling coyote; or perhaps a bunch of
+antelope feeding on the sweet grass around some spring hole, as you
+were telling me they do?" asked Bob, holding himself in readiness.
+
+"Well," returned Frank, quickly, "the sun was in my eyes some, you see,
+and so I wouldn't like to be too sure; but somehow, Bob, I just have a
+notion that it was a horse."
+
+"With a rider on it, of course!" exclaimed the other lad, as he raised
+the glasses to his eyes, training them on the further end of the squat
+elevation that stood up in the midst of the sage level like a great
+hump on a camel.
+
+"There, looks like I was right, Bob!" ejaculated Frank, a minute or so
+later, as something came out from behind the low hill, moving steadily
+onward.
+
+"Indians! as sure as anything!" fell from the lips of the one who held
+the field glasses to his eyes.
+
+"One--two--three--a heap of the reds in that bunch, I reckon," muttered
+Frank, watching with his naked eye; although the distance, separating
+them from the spot where the figures were passing steadily into view,
+was considerable.
+
+"Say, these glasses are jim-dandy ones, all right!" remarked Bob,
+presently, as he turned to offer them to his chum, who immediately
+clapped them to his own eyes.
+
+"Huh!" grunted Frank a moment later, "squaws along; each cayuse
+dragging poles on which they heap their lodges, blankets and such;
+reckon there's no war party about that, Bob."
+
+"I should think not, if what you've told me about the Indians is a
+fact, Frank. But look here, what d'ye suppose they're doing so far
+away from their reservation?" and Bob gripped his quirt, which hung, as
+usual, from his wrist, in cowboy fashion; and with a nervous slash cut
+off the tops of the rattlesnake weed within reach.
+
+"That's where you've got me, Bob," replied the one who had been brought
+up on a ranch, and who was supposed to know considerable about the life
+of the plains; "unless they've just got desperate for a good old hunt,
+and broke loose. Pretty soon the pony soldiers will come galloping
+along, round 'em up, and chase the lot back to their quarters. Uncle
+Sam is kind, and winks at a heap; but he won't stand for the Injuns
+skipping out just when the notion takes 'em."
+
+They sat there in their saddles a while longer, watching the long
+procession pass out beyond the low hill, and track along the plain
+through the scented purple sage.
+
+"Navajos, ain't they?" asked Bob, who, of course, depended on his
+comrade for all such information, since one Indian was as much like
+another as two peas to him.
+
+"Sure thing," replied the other, carelessly. "Tell 'em as far as I can
+glimpse the beggars. And I just reckon now that's old Wolf Killer
+himself, ridin' at the head of the line, with his gay blanket wrapped
+around him. Wonder what he'd say if he knew Frank Haywood was here, so
+far away from the home ranch?" and Frank chuckled as though amused.
+
+"Do you know the old chief, then?" asked Bob.
+
+"Say, do I?" replied Frank, with a laugh. "Remember me telling you how
+the boys on our place caught a Navajo trying to run away with one of
+our saddle herds about three years ago, when I was hardly more'n a kid?
+Well, I chased him with the rest of the outfit, and saw old Hank throw
+his rope over his shoulders. He snaked the fellow over the ground and
+through the short buffalo grass like a coyote, 'till he was punished
+enough; and then my dad made 'em let him go. But you just ought to
+have seen the way he folded his arms, stared at each of us, and, never
+saying a single word, walked away. I've often wondered if he didn't
+mean to come back some day, and try to get his revenge."
+
+"And that was the chief himself?" asked Bob.
+
+"Just who it was," Frank went on. "He'd left the reservation, and got
+too much fire-water aboard, they said; so he thought the good old days
+had come back, when a Navajo always tried to get away with any horses
+he ran across. They say Wolf Killer used to rustle cattle long ago,
+till Uncle Sam put his hand down heavy on his tribe, and shut the lot
+up."
+
+"Then, if he has reason to remember everybody connected with Circle
+Ranch in that way, I reckon it's just as well we don't try to let him
+know we're here," remarked Bob, uneasily. "We didn't come out on this
+little picnic for trouble with the reds. There they go, pushing
+through the sage brush, Frank. So-long, Navajo, and good luck to you
+on your hunt," waving a hand after the departing string of distant
+figures.
+
+"Our way lies yonder, along the foot of the mountains," said Frank, as
+he turned his head to look toward the grim range that stood out boldly
+against the skyline.
+
+"Yes," observed his companion, as he allowed his black horse his head,
+once more advancing in a Southerly direction, "and, unless all signs
+fail, that's Thunder Mountain towering above the rest of the peaks."
+
+"You're right, Bob, that's what it is; and we're going to camp at its
+foot unless something goes wrong," and as he spoke Frank urged Buckskin
+on again.
+
+The yellow bronco was a true range pony. He had been taught many of
+the clever tricks for which his kind are noted. A stranger would have
+had a hard time keeping his seat on the back of the animal, such was
+his dislike for unknown parties. He could dance almost as well as a
+circus horse; and when Frank had tended the saddle herd at night, as
+horse-wrangler, he was accustomed to depend on Buckskin to give ample
+warning of trouble, whether in the shape of a storm, a threatened
+stampede, or the presence of cattle-rustlers.
+
+Both boys were, of course, dressed pretty much as cowboys are when on
+the ranch; leather "chaps" covering their corduroy trousers; with boots
+that mounted spurs; flannel shirts; red handkerchiefs knotted around
+their necks; and with their heads topped by felt hats, such as the men
+of the range delight in.
+
+Slung to their saddles were a couple of up-to-date guns of the
+repeating type, which both lads knew how to use at least fairly well.
+Of course both carried lariats slung from the pommels of their high
+Mexican saddles. Frank was accustomed to throwing a rope; while Bob,
+naturally, had much to learn in this particular.
+
+"Say," remarked the latter, who had fallen a trifle behind his comrade,
+"to see the way we're just loaded down with stuff makes me think of
+moving day in the old Kentucky mountains. But no use talking, if a
+fellow wants to be half way comfortable, he's just got to lug all sorts
+of traps along."
+
+"That's right, Bob," assented the other, laughing. "And that applies
+in an extra way when he means to be out in the Rockies for perhaps a
+week."
+
+"No telling what he may run up against there, eh?" queried Bob.
+
+"Well, if it isn't a grizzly, it may be an avalanche, or a
+cloud-burst," remarked the boy who had spent his whole life in the open.
+
+"Not to speak of Indians, or Mexican rustlers looking for a chance to
+drop down on some peaceful ranch, and carry off a bunch of long horns;
+eh, Frank?"
+
+"Sure; and a lot more besides, Bob," was the reply. "But the sun's
+getting kind of low, you notice."
+
+"In other words, we'd better be looking around for a place to camp,
+Frank?"
+
+"You've hit the nail on the head," the other replied. "Suppose we hold
+up here for a bit, and let me take another squint up yonder through the
+glass."
+
+"Meaning at old Thunder Mountain?" observed Bob, as his eye traveled
+upward toward the bare crown of the great uplift, that had so long
+remained a source of mystery to the entire community.
+
+"Yes. Just look at the pinons growing up the sides like tufts, along
+with the funny looking clumps of stunted cedars. Then you can see the
+aspens and silver spruce next. And over the whole outfit is a silence
+that beats the desert itself. Whew! the closer you examine the place
+the more it impresses you."
+
+Bob accepted the glasses after Frank had used them and focussed them on
+the slope.
+
+"So that's old Thunder Mountain, is it?" he remarked. "Well, I must
+say it shows up right well. I've tried to picture the place from all
+we've heard."
+
+"But you don't feel disappointed, do you?" asked Frank.
+
+"Not a bit, Frank," his companion continued. "I've seen some
+mountains, even before I came out here to your Rockies; but there's
+something about this thing that just staggers a fellow. Wow! but we'll
+sure have our troubles climbing that wild slope."
+
+"Never could make it if it wasn't for the canyons," Frank added. "They
+all tell me that. Here, let me put the field-glasses away. Half an
+hour's gallop, and we'll jump off. That ought to bring us to the foot
+of the slope. Here you go, Buckskin; show us you're not tired after
+your day's run. Whoop-la!"
+
+Frank brought his hat down on the flank of the horse, accompanying the
+action with a real cowboy yell. Instantly the spirited steed bounded
+off, with Bob's Domino close behind, snorting, and giving signs of
+astonishing animation.
+
+So they sped along, with clanking sounds from the various packages
+fastened behind the saddles; but after a few minutes both boys
+gradually drew upon the lines, knowing full well that their mounts had
+done a fair day's work already; and, besides, there was no possible
+need of haste.
+
+"How's this for a camping place?" asked Frank, as he suddenly brought
+Buckskin upon his haunches in a quick stop.
+
+"Suits me first rate," replied his chum, after giving a glance around.
+"Let's see if I remember all you told me about what a fellow has to
+look for when he expects to go into camp. Water handy, grass for the
+horses, wood for a fire, and shelter from a hidden mountain storm.
+What better could we ask, I'd like to know? Is it a go, Frank?"
+
+For answer the shorter lad jumped from his seat. His first act was to
+remove the saddle, and then, with a handful of dead grass, rub the
+sweaty back of the mettlesome animal, as every true son of the plains
+always does before he thinks of his own comfort.
+
+Next he hobbled the animal, and drove the stake pin, to which the
+lariat was attached, deeply into the ground. After that the bridle
+came off; and Buckskin's first natural act was to drop to the ground,
+and roll over several times.
+
+Bob was following this procedure with Domino. The intelligent animals
+seemed to understand just what the programme was to be; for after
+rolling, they walked down to the little watercourse to slake their
+thirst; and then set about eagerly nibbling the sweet grass that grew
+all around.
+
+The two chums went about preparing to spend a night under the bright
+stars, with a readiness that told of long practice. Bob, of course,
+knew less than his companion about such things, but Frank had often
+accompanied the cowboys on his father's ranch on their expeditions, and
+had even spent nights in the company of old Hank, when off on a hunt
+for fresh meat; so that he knew pretty well what ought to be done to
+add to their comfort.
+
+It pleased him to show Bob some of the things he had learned. There
+might be no real reason why he should start a cooking fire in a hole he
+dug, rather than make a roaring blaze that could be seen a mile away;
+but Bob was tremendously interested, and would never forget all that he
+learned.
+
+"Besides," Frank explained, after he had the small fire started, "it is
+easier for cooking, once you get a bed of red ashes; because in this
+warm country a fellow doesn't much like to get all heated up, standing
+over a big blaze."
+
+Bob had, meanwhile, opened some of the bundles. One of these contained
+a small coffee pot, as well as the frying pan without which camping
+would be a failure in the minds of most Western boys.
+
+"Look out for rattlers," advised Frank, as his chum went to the spring
+hole to fill the coffee pot. "They often come to such places in dry
+season We haven't had rain for so long now, that, when it does come, I
+expect a regular cloud-burst. That's often the way in this queer
+country, along the foothills of the Rockies."
+
+Hardly had he spoken than there sounded a sudden and angry whirr,
+similar to the noise made by a locust, and which Frank knew only too
+well meant a rattlesnake!
+
+
+
+
+CHAPTER V
+
+THE VOICE OF THE MOUNTAIN
+
+"Hey! take care there, Bob!" shouted Frank, starting up from beside his
+little cooking fire in something of a panic; for that alarm signal is
+apt to send the blood bounding through the veins like mad, whenever
+heard.
+
+"Don't bother!" came the reassuring reply of the unseen Bob, from a
+point near by; "I think I've got the beggar located, all right. Say,
+don't he sing though, to beat all creation? He's mad clean through,
+all right. I'm looking for a stick, so as to knock him on the head."
+
+"Go slow, and keep your eye out for a second one," advised Frank,
+uneasily; "because they generally hunt in couples. That isn't a measly
+little prairie rattler either; but a fellow that's come down from
+Thunder Mountain."
+
+"Nice warm reception for visitors, I should remark," laughed Bob,
+immediately adding: "there, I've found just the stick I want. Now, old
+chap, look out for yourself! I'm going to have that rattle of yours to
+take home, unless you give me the slip."
+
+"No danger of that," remarked Frank; "because a rattler seldom runs
+away, once he shakes his old box, and gives warning. Hit him just back
+of the head, and let it be a good smart blow too, so that you break his
+neck."
+
+Then came a swishing sound, twice repeated. The thrilling rattle
+immediately subsided.
+
+"Get him?" demanded Frank, ready to take up his task once more, upon
+receiving a favorable reply from his friend.
+
+"He's squirming some, but helpless," returned Bob, composedly. "I'll
+cut his head off, so that he can't turn around and jab me while I'm
+getting that rattle box of his."
+
+Two minutes later he came back into camp, carrying the coffee pot,
+which he proceeded to place upon the fire Frank had started. The
+latter noticed that his chum was trembling a little, and could give a
+shrewd guess that Bob had been more startled than he had thus far
+admitted.
+
+"Perhaps I'll get used to it in time," Bob remarked, presently; "but it
+sure does give a fellow a nasty shock to hear that sound burst out
+close by your feet, knowing as you do what a bite from those fangs
+means."
+
+"Then it was a narrow squeak, was it?" asked Frank.
+
+"I guess I never want to be closer to a diamond-back than that," Bob
+admitted, with a shake of his head.
+
+Soon a delightful aroma began to steal through the air in the immediate
+vicinity of the little camp near the foot of the towering, mysterious
+mountain; as some bacon sizzled in the pan, and the crushed berry from
+Java boiled and bubbled most cheerily.
+
+Besides, upon some splinters of wood Frank had thrust small pieces of
+venison, the last fresh meat they had brought from the ranch. As the
+heat from the red coals began to turn these to a crisp brown, Bob
+sniffed the added fragrance in the air after the manner of a hungry
+range-rider, or a boy with a healthy appetite.
+
+"Seems to be plenty of game around here," he remarked. "I jumped two
+rabbits near the spring, and they went up the rise, as usual."
+
+"Yes," remarked the cook, "the place looks good for game, and you'd
+wonder why those Injuns passed it by, only I happen to know. Ten to
+one there's a deer in that thicket of wild plum over there. And you
+can just believe an old grizzly wouldn't want a better hang-out than up
+yonder among the cliffs and crags of the mountain side."
+
+"But to return to our mutton, which after all is antelope meat, when do
+we start operations? I'm nearly wild, with all these smells, and never
+a bite. The water just drips from my tongue, I give you my word,
+Frank."
+
+For answer the other picked up the coffee pot, and set it aside for a
+minute, to let the contents settle.
+
+"Grub's ready, Bob," he said, laughingly; "and I reckon we'll not
+bother banging on the frying pan with a big spoon to-night, range
+fashion. Sit down, and get your pannikin ready for some of this bacon
+and meat. How does that coffee look?"
+
+"Say, it's got the color, all right, and if it only tastes half as fine
+as it looks you'll hear no kick coming from me," replied Bob, as he
+poured his tin cup full of the liquid.
+
+As the boys ate they chatted on various topics, most of which talk had
+of course some connection with the big cattle ranch they had so
+recently left.
+
+"I'd give a heap to know if Peg Grant meant business when he said we
+were riding to a fall if we thought we were the only pebbles on the
+beach," Bob remarked.
+
+"Oh!" replied Frank, "I reckon he's going to make a try to solve that
+Thunder Mountain puzzle. But just think of a tenderfoot like Peg let
+loose on that fierce slope up yonder; will you?"
+
+"Perhaps he's here already," suggested Bob.
+
+"Wouldn't be one bit surprised," Frank continued, readily enough, as
+though he considered that a foregone conclusion anyway. "He and his
+cronies had time enough, unless Peg changed his mind. He might be
+wondering what happened to you, and thinking how the X-bar-X ranch
+would be safer, in case some of our boys chased after him to give him
+the tar and feathers he deserves for playing such a mean trick."
+
+"But supposing they did come," said Bob; "Peg and Spanish Joe, and that
+other treacherous cowboy you told me about; we're pretty apt to meet up
+with them if we go prowling around here for the next few days."
+
+"Just so, and we'll try to mind our business all the time," remarked
+Frank; and then his eyes flashed a little as he continued: "but if they
+try any of their ugly little tricks on us, Bob, they're likely to get
+hurt."
+
+"I'm with you there, Frank," the other added, shutting his teeth in a
+determined way. "I can stand a certain amount of fun, and, I hope,
+take it the right way. Your cow punchers said that when they hazed me,
+you know. But I certainly do object to any such rough-house business
+as fastening a poisoned thorn under a fellow's saddle."
+
+"That game has cost more than a few people their lives," Frank declared
+vehemently. "Cowmen draw the line at it. You noticed how angry old
+Hank became when he heard about that same thing. But your horse seems
+to be getting on all right, Bob."
+
+"Sure he does. That ointment made by old Hank's like magic. Domino
+won't suffer much from that jab. But that was a bully good supper all
+right, and I don't care how soon we repeat it," he concluded with a
+laugh.
+
+Finally both lads lay down to secure such rest as they needed after a
+long and tiresome day.
+
+The drowsy chirp of crickets, and shrill voices of katydids in the lush
+grass near by, told of the summer night. Many times had Frank listened
+to this same chorus as he lay in his blanket on the open prairie,
+playing the part of night-wrangler to the herd of saddle horses
+belonging to the round-up party of cow-punchers.
+
+He could hear some lurking rabbit slinking through the hazel bushes
+over at one side. Somewhere off on the level, where the sage grew so
+heavily, there must have been a prairie dog village; for the sound of
+the peculiar barking of these queer little animals frequently floated
+to his ears as the breeze changed.
+
+The two horses were still feeding at the time Frank dropped off into a
+sound and refreshing sleep, but doubtless they would soon lie down.
+Bob was already breathing heavily, which would indicate that he had
+passed beyond the open door to slumber-land.
+
+The minutes passed, and several hours must have gone.
+
+Frank was dreaming of the excitement attending some of the many dashing
+gallops he had lately enjoyed in company with his chum, looking up
+stray cattle, helping to brand mavericks, watching the cowmen mill
+stampeding herds, or chasing fleet-footed antelopes just to give the
+horses a run.
+
+He was suddenly aroused by a strange sound that seemed to cause the
+very earth under him to tremble. The trample of a thousand hoofs would
+make such a noise; if one of those old-time mighty herds of bison could
+have come back to earth again; or a stampede of an immense herd of
+long-horns might cause a similar vibration.
+
+But Frank Haywood knew that neither of these explanations could be the
+true one, even as he thus sat upright on his blanket to listen. The
+ominous, growling, grumbling noise was more in the nature of
+approaching thunder, just as though one of those furious summer storms,
+tropical in their nature, and often encountered in this country where
+plains and mountains sharply meet, had crept upon them as they calmly
+slept.
+
+And yet, strange to say, neither of the two boys jumped quickly to
+their feet in wild dismay, seeking to prepare for the rain that might
+soon burst upon them. On the contrary they continued to sit there,
+straining their ears to catch the rumbling reverberations that kept
+coming, with little respites between.
+
+"Say, now, what d'ye think of that, Bob?" asked Frank, when silence
+again held sway for a brief period. "Nary a cloud as big as your hand
+in the sky; and yet all that grumbling oozing out of old Thunder
+Mountain! Looks like we might have the biggest job of our lives
+finding out the secret of that pile of rocks. There she starts in
+again, harder than ever. Listen, Bob, for all you're worth!"
+
+
+
+
+CHAPTER VI
+
+A SECOND ALARM
+
+"It's stopped again!" remarked Bob, after possibly five minutes had
+passed, during which time the ominous rumbling, accompanied by earth
+tremors, had kept up, now rising to a furious stage, and then almost
+dying away.
+
+Frank gave a big sigh.
+
+"It sure has," he admitted; "and I don't wonder now, after I've heard
+the racket with my own ears, that the reds for a hundred years back
+have always declared the Great Manitou lived in Thunder Mountain, and
+every little while let them hear his awful voice."
+
+"Then this thing has been going on forever, has it?" asked Bob.
+
+"The Navajos say so; though even they admit that, of late, it's got a
+brand new kink to the growl," Frank answered. "They believe it's sure
+unlucky for any brave to be caught near the mountain after dark, and
+especially when Manitou scolds. You see, that accounts for the hurry
+of that hunting party to climb out before sunset."
+
+"Yes," Bob went on. "And now I understand what you said about the
+Indians never hunting near Thunder Mountain. Perhaps they believe all
+the game that hides along the slopes, and in the deep gullies, belongs
+to the Great Spirit, and that he'll punish any warrior bold enough to
+try and get a line on it. But see here, Frank, do white men--cowboys,
+prospectors, and the like--believe this mountain is haunted?"
+
+"Heaps of 'em do, and that's a fact," replied the other, chuckling.
+"I've heard some of our cowpunchers talking about it more'n a few
+times; and you remember how old Hank took it when we told him what we
+had in mind?"
+
+"They're a superstitious lot, as a whole, I take it," Bob ventured.
+"Now, as for me, I never could believe in ghosts and all that sort of
+thing. If there ever came a time when something faced me that I
+couldn't understand, I just set my teeth together and vowed I'd never
+rest easy till I had found out what it meant."
+
+"Same here, Bob; and that's why I just jumped at the chance to beat Peg
+out in his game. The funny part about it is why I never thought of
+this racket before. But perhaps that was because I didn't have a chum
+to stand back of me."
+
+"None of the boys on the ranch would go with you, then?" asked Bob.
+
+"I should say not! Even old Hank would balk at that, and he's never
+been afraid of thing that flies, runs or crawls. It was old Hank who
+taught me all I know about range life. He showed me how to shoot,
+throw a rope, and do heaps of other things a prairie boy ought to know.
+Hank thinks lots of me, and honest now, Bob, that gruff old fellow
+would willingly lay down his life for me."
+
+"I reckon he would," assented the other, readily enough.
+
+"But Hank's a rank believer in the Injun story of the mountain, and
+would never come here of his own accord; but to keep an eye on me, and,
+stand between me and danger, he'd just crawl down the crater of a live
+volcano."
+
+"Seems like the show might be over for tonight," Bob suggested.
+
+"The row has stopped, sure enough," Frank remarked, looking up at the
+dimly-seen outlines of the far-away crest of the rocky elevation, where
+it stood out against the starry heavens.
+
+"You don't believe, then, that there could have been some kind of storm
+up there; do you?" questioned Bob.
+
+"Well, it's sure a great puzzle," replied his chum, with a long breath.
+"My eyes are reckoned prime, but I can't glimpse any sign of a cloud
+that would bring out all that noise. A mystery it's been these many
+years; and if so be we can learn the cause for all that queer roaring
+that shakes the earth, we'll be doing more'n anyone else has ever done
+in the past."
+
+"That's what we're here for, if Peg gives us half a chance," remarked
+Bob, with the healthy assurance of youth. "And as neither of us takes
+any stock in the fairy story about the Manitou's anger, we ought to
+stand some chance of locating the thing; or 'bust the b'iler trying' as
+old Hank would say."
+
+Frank had crawled out of his blanket, and stood erect.
+
+"What's on?" asked his camp-mate, presently, noticing that he was
+holding up his hand, after wetting his finger, a method much in vogue
+when one wished to learn the direction of the passing air currents.
+
+"Southeast; and blowing strong a bit ago up there on the mountain, I
+reckon," Frank remarked. "You notice we happen to be sheltered more or
+less down here, when she comes out of that same quarter?"
+
+"Meaning the wind," Bob remarked. "Yes, you're right, Frank. But what
+has that got to do with the measly old grumble of the mountain, tell
+me?"
+
+"Huh! I don't know that it's going to have anything to do with it,"
+came the answer; "but we want to know every little point as we go on.
+And Bob, just remember that the wind was coming out of the Southeast;
+and a clear sky overhead!"
+
+"But look here, Frank, you've heard your dad talk about this Thunder
+Mountain business, I take it?"
+
+"Well, now, I reckon I have, heaps of times; but then you know, he
+isn't much on bothering about things that don't concern him. Thinks
+he's got his hands full, looking after the stock, keeping tabs on the
+doings of those rascally Mexican rustlers, that have been running off
+batches of cattle every little while; and fighting that big syndicate
+of Eastern capitalists, headed by the millionaire, Mr. Grant, Peg's
+father, that wants to throw all the Southwestern ranches into a close
+trust."
+
+"But what I wanted to remark is this: you must have heard him give an
+opinion about this thunder sound?" Bob persisted in saying.
+
+"Oh! he thinks the same as several gentlemen did who came out here a
+few years ago on some business. They declared that once, hundreds of
+years ago, perhaps, old Thunder Mountain must have been a volcano; and
+that it still grumbles now and then, as the fires away down in the
+earth begin to kick up some of their old monkeyshines."
+
+"Yes, I heard one man say that," laughed Bob. "He declared that
+there's going to be the biggest rumpus some fine day, when the fires
+inside get to going out of bounds. Then the whole cap of the mountain
+will go flying into a million pieces; and good-bye to any unlucky
+cow-puncher caught napping near this place."
+
+"Well," remarked Frank, as he prepared to settle down again into his
+snug blanket, "I reckon we're not going to be scared away by a little
+thing like that growl. Unless we hit a snag, or Peg Grant and his
+guides break up our game, a few days ought to see us heading back to
+Circle Ranch with a story calculated to make the boys sit up and take
+notice; or else----"
+
+"Just pull up right there, Frank," interrupted his chum, with a laugh.
+"There's nothing going to happen to knock us out. If that same Peg
+comes around, making a nuisance of himself, why, he's due for a nice
+little surprise, mark me. Besides that; what could there be to make
+trouble?"
+
+"Oh, I'm not bothering my head over it, Bob," declared the other, as he
+dropped into the nest he had made in his blanket. "But say, did you
+take notice of the way our horses acted while that thing was going on?"
+
+"Just what I did," the other replied. "They must have been trembling
+all over. I could hear your Buckskin snorting to beat the band, and
+pawing just like he does when he's worried. Reckon they didn't know
+what to make of it, either, seeing that there's nary a sign of a storm
+cloud around. But both horses have quieted down again. They think all
+danger of a howler has passed away."
+
+Frank made no reply. He was already getting ready to resume his
+interrupted nap; and Bob lost no time in following his example, both
+confident that in the alert Buckskin they had a sentry capable of
+giving ample warning should peril threaten.
+
+Once more Frank composed himself for sleep. The many noises of the
+night, which had seemed to cease while that mysterious rumbling was
+going on in the heart of the lofty mountain, had again resumed sway.
+The hum of insects; the melancholy hooting of the lonely owl, in some
+willow or cottonwood tree near the base of the mountain; the far-off
+howl of the prairie wolf; or the more discordant voice of the skulking
+coyote--all these things were as familiar music in the ears of the boy
+whose cradle had been the rich black earth of the grazing country ever
+since he was old enough to remember anything.
+
+They all did their share in lulling him to sleep. And, no doubt in
+dreams, he was once more galloping across the wide prairie on the back
+of his mount, his nostrils filled with the life-giving air of the
+sage-covered level.
+
+Frank slept, he never knew just how long.
+
+This time it was not the rumbling sound and the fearful vibration of
+the ground that aroused the two saddle boys; but a far different cause.
+
+When Bob sat up he found his comrade already erect, and apparently
+listening as though keenly alive to some approaching peril.
+
+"Buckskin's uneasy, you see," remarked Frank in a whisper; "he's pawing
+the ground and snorting as he always does when he scents danger."
+
+As he said this, Frank dropped back again, and seemed to place his ear
+to the ground, a trick known and practiced among the Indians from the
+days of the early pioneers along the Ohio down to the present time;
+since sound travels much better along the earth than through the
+air--at least, in so far as the human ear, unaided by wireless
+telegraph apparatus, is concerned.
+
+"A bunch of horses coming out of the Northwest!" announced the prairie
+boy, almost immediately; "and we can't get our nags muzzled any too
+soon, Bob."
+
+Apparently the other lad had been coached as to what this meant. He
+sprang to his feet, snatching up his blanket as he did so. Together
+they were off on the jump toward the spot where their animals had been
+staked out at the end of the lariats.
+
+Arriving at the pins which had been driven into the ground each boy
+sought to clutch the rope that held his restlessly moving horse; and
+hand over hand, they moved up on the animals, the blankets thrown over
+their shoulders meanwhile.
+
+A few low-spoken words served to partly soothe Buckskin and his black
+mate; then the blankets were arranged about their heads, and secured in
+such fashion that no unlucky snort or whinny might betray their
+presence to those who passed by.
+
+
+
+
+CHAPTER VII
+
+THE RUSTLERS
+
+At a word from his master the well trained Buckskin doubled up, and lay
+down on the ground. Most cowboy ponies are taught to do this trick by
+their masters, and it is in common use; so that the punchers believe it
+is a poor animal that has not learned to roll over and play dead on
+occasion.
+
+Bob, too, managed to induce his mount to do the same thing; but to make
+it absolutely certain that no unwise flounder on the part of Domino
+might betray them, he sat upon the horse's head, soothing him by little
+pats on his glossy hide.
+
+"I hear 'em coming," announced Frank, presently.
+
+The sounds reached him against the wind, so that it was quite natural
+to believe the approaching horses must by now be very close. There was
+a confused pounding that could only spring from a large body of
+animals. The trained ear of Frank caught a significance in the clash
+of hoofs that told him much more than Bob was able to make out.
+
+"All horses, Bob," he whispered across the little gap that separated
+him from his chum; "and two thirds of 'em running free, without saddles
+or riders. Lie low, now, and see if you can glimpse 'em as they go
+past."
+
+"Won't they be apt to run over us?" asked Bob, a bit nervously.
+
+"Nixy. I looked out to pick a place they'd be apt to avoid. They'll
+brush past a little further to the south," and Frank ended his words
+with a hiss of warning.
+
+The pounding of many hoofs continued. Frank, straining his eyes,
+believed he was now able to make out a confused moving mass at some
+little distance away, heading directly toward the foot of Thunder
+Mountain.
+
+As the starlight was so vague he could not make out more than that here
+and there a figure was mounted on a galloping horse, with several
+unridden animals trailing along behind, as though led by ropes.
+
+The little caravan passed quickly. Already they were vanishing in the
+deeper shadows lying closer to the base of the mountain that towered
+aloft several thousand feet.
+
+Still the two boys continued to sit there, guarding their horses;
+although all danger of discovery seemed absolutely past.
+
+"Whew!" exclaimed Bob, presently, as the sound of retreating hoofs
+began to die away; "what d'ye think of that, eh, Frank?"
+
+"Indians?" queried the Kentucky boy, eagerly.
+
+"Well," replied his chum, "not so's you could notice. Say, now, you
+didn't see any feathers on their heads, did you? And I sure heard the
+fellow nearest us say something that only a white man would remark,
+when his horse stepped into a hole, and almost threw him over its head."
+
+"Cow punchers; or perhaps rustlers?" continued Bob, anxious to know.
+
+"What would cowmen be doing away off here, tell me that, Bob? And
+lugging along a bunch of extra mounts, too, in the bargain? No, I
+rather think, Bob, that those fellows must have some of Mendoza's
+cattle rustlers. And they've been making a dandy raid on some ranch's
+saddle herd; or I miss my guess."
+
+"Perhaps the Circle outfit had gotten careless," suggested Bob.
+
+"I sure hope not, for the boys have had plenty of warning; and I reckon
+Bart Heminway is some too good an overseer to permit such a raid. I'd
+rather believe it was the X-bar-X outfit that has gone and got nipped
+this time. But stop and think Bob; what d'ye expect takes these
+cattle-rustlers over this way right now, headed straight for the
+canyons of Thunder Mountain?"
+
+"Oh, I see what you mean!" exclaimed the taller lad, immediately.
+"Perhaps the secret hiding place of Mendoza and his crowd of cattle
+thieves may be somewhere around this same old rock pile. It'd be just
+like the tricky rustler to have a hide-out where nobody else ever came!"
+
+"Now, why didn't somebody ever think of that before?" ejaculated Frank,
+in a tone of mingled surprise and disgust.
+
+"Looks easy, doesn't it, after we've run across a clue?" admitted Bob,
+laughing softly. "You remember what they said about discovering
+America, after Columbus did it. But supposing this thing _does_ turn
+out to be true; how's it going to affect our little business, Frank?
+Oh! say, I wonder if that crowd can have anything to do with the
+rumbling of the mountain?"
+
+Frank laughed heartily at the suggestion.
+
+"Well," he remarked, "they're a pretty tough lot, all right; but even
+such a bad bunch could hardly get enough hot air together to make a
+mountain shake and groan like that. Besides, don't you see, Bob, they
+must have been out yonder, riding this way with their stolen horses,
+when that little circus came off."
+
+"But one thing is sure," the other went on, sturdily; "they don't seem
+to take any stock in that notion about a volcano, because, as we saw,
+they headed straight for Thunder Mountain. That gives it away; they're
+so used to the row that they don't pay any attention to it any longer."
+
+"Correct!" echoed Frank, as though his mind was made up.
+
+"Do we need to hold the horses down any longer?" asked Bob, who could
+feel that Domino was becoming very restless under his enforced silence.
+
+"I reckon not," replied the other, at the same time taking the blanket
+from Buckskin's head; whereupon the animal, recognizing this as a sign
+to rise, quickly gained his feet and shook himself.
+
+"It's back to the blankets again for another nap," remarked Bob, when
+he, too, had seen his animal regain an upright position. "Wonder
+what's next on the programme for us. Twice, now, we've been waked up;
+and I don't know whether it's really worth while trying to get any more
+sleep to-night. It isn't a great ways from dawn, is it, Frank?"
+
+The other cast a quick look up at the stars. Accustomed to reading
+these heavenly sign posts of the night, he was able, from their
+positions, to give a pretty fair guess as to the hour; just as the sun
+served him in place of a watch during the day.
+
+"Three hours yet to dawn, Bob; no use staying up all that time," he
+said, presently. "We expect to be on the move again at peep of day;
+because, after what's happened, it'll be wise for us to get off the
+level here before broad daylight comes along. There might be curious
+eyes on the watch up yonder, on Thunder Mountain; and that, you see,
+would just spell trouble for our crowd."
+
+"Whew! things are thickening, for a fact!" exclaimed Bob.
+
+"I was only thinking," Frank continued, "whether we ought to try and
+get word back to the ranch about our discovery. If they knew Mendoza
+and his rustlers were hiding somewhere about this place they'd comb the
+whole mountain range so they could run him to earth. He's been the
+pest of the border too long now, and something's just got to be done to
+chase him back where he belongs, south of the Rio Grande."
+
+"But you don't want to go back just yet, do you, Frank?" asked Bob,
+uneasily.
+
+"I'm ready to do what you say, though I'd like to stay," came the
+prompt answer.
+
+"Then I say, let's stick it out," declared Bob, with animation. "It
+might turn out to be a false alarm, after all; and we'd feel pretty
+cheap to bring all the boys along, and then not be able to show 'em any
+game. No, I say it'll be time enough to go after 'em, when we make
+dead sure!"
+
+"That settles it, then," remarked Frank, with a little laugh, as though
+pleased to learn that his saddle chum looked at the matter in such a
+sensible light.
+
+This time, after they had lain down in their blankets, there was no
+further alarm. Frank, from long habits of early rising on the range,
+awakened just as the first faint streaks of dawn began to show in the
+eastern horizon.
+
+It required but a touch to arouse Bob; and saddling up, with packs in
+place, the boys soon left the scene of their night bivouac, heading
+toward the heavy growth of timber directly at the foot of the mountain.
+
+The early morning mists concealed their movements until they had
+entered among the timber; when they left they were safe from any
+suspicious eye, should the bold Mexican rustler have posted any watcher
+upon the side of the mountain.
+
+Again did the saddle boys build a small fire in a hole, over which they
+proceeded to cook their breakfast; while the horses cropped the grass
+near by, secured by the ever useful lariats, or riatas.
+
+"There's where this leads into a big gully," remarked Bob, later on,
+pointing as he spoke to where the ground became broken.
+
+"Yes," Frank went on, thoughtfully, "and the chances are ten to one
+that it changes into a regular canyon, where the water rushes down
+whenever they have one of those gushers, or cloud bursts, that come
+along once in a while around here. Now, I wonder if those riders hit
+it up this way?"
+
+He jumped to his feet as he said this. Passing back and forth, Frank
+seemed to be examining the ground, marking the stepping stones of the
+mountain.
+
+"Signs aplenty around here," he remarked. "Wish old Hank was along to
+read 'em. I reckon I can tell what they stand for, though."
+
+"Then they went on up that canyon, you believe?" asked Bob.
+
+"Reckon there isn't any doubt about that part of it," chuckled Frank;
+"though just where that same canyon leads I can't say. P'raps it may
+be a short-cut across the big range here, leading to the prairie on the
+other side. P'raps it doesn't go anywhere, but just leads to a blind
+hole that I've heard prospectors call a _cul de sac_. Anyhow, we ought
+to find out, Bob."
+
+"_They_ knew all right," remarked the other, positively. "Wouldn't get
+any riders going up there in the dark, unless they were mighty familiar
+with every foot of the way. That's my idea, Frank."
+
+"And I reckon it's the true one," asserted the other. "They know this
+place as well as I do all around old Circle Ranch."
+
+"There's the sun coming up; and perhaps we'd better be getting a move
+on about now?" suggested Bob.
+
+"Wait!"
+
+Something in the tone which his saddle chum used caused Bob to turn his
+head, and look out toward the plain.
+
+"Huh! what does that mean?" he ejaculated. "A single rider heading
+this way; and he seems to be leading a burro loaded with supplies.
+Must be a bold prospector, bound to look into the secrets of Thunder
+Mountain as we're bent on doing; only he hunts for gold, while we're
+just bent on finding things out."
+
+"But look now," Frank said a little later, as the other came closer.
+"Don't you see that it's only a little Mexican boy on that bag of bones
+of a horse? Tell you what, Bob, he must have been sent to town for
+fresh supplies by some party of gold hunters located right now over the
+range."
+
+"Yes, and how do we know but what this Mexican boy is hooked up with
+that Mendoza crowd?" asked the other, seriously. "They might send him
+off for grub, and such things as they happen to need. And he pays for
+it with money they get from selling stolen cattle and horses! Nobody
+would suspect him, Frank, and try to follow. I hope our horses don't
+give us away now. I'd like to see what that little fellow does."
+
+The boy indeed looked weary as he drew closer, leading his tired burro,
+upon which a fair-sized load was strapped and roped.
+
+"Get down, Bob," said Frank. "He hasn't glimpsed us, and, luckily
+enough, our horses are feeding out of sight just now. Doesn't he look
+sleepy and tuckered out though? See him nodding in his saddle, poor
+little runt! Oh! what's that moving there among those rocks just
+ahead?"
+
+"Perhaps it may be one of the rustlers coming down to interview him,"
+said Bob.
+
+"Hist!" Frank uttered almost in his chum's ear as he craned his own
+neck in order to see better.
+
+The small boy on the tired broncho, and leading the patient burro, kept
+on steadily advancing, apparently allowing his animal to follow its
+nose, as though it knew the way fairly well from having passed along it
+before.
+
+"Look! look!" ejaculated Frank suddenly, jumping to his feet. "Great
+guns! Bob, would you see what is coming out from among those loose
+rocks there? A great big grizzly bear; and making straight for the
+pack mule, sniffing the air as if he smelled grub! There, the horse
+has scented him. See him rear up, will you? Oh! he's gone and done
+it, as sure as you live--thrown the boy over his head! And the poor
+burro is caught fast, with his leading rope held in a crotch of the
+rocks. The boy will be killed if ever he meets up with that monster!
+Quick! We must do something to save him, Bob, but whatever shall it
+be?" and Frank leaped to his feet.
+
+
+
+
+CHAPTER VIII
+
+A STARTLING DISCOVERY
+
+The Mexican boy had apparently escaped serious injury at the time the
+frightened cayuse made a sudden bolt upon sighting the bear, and threw
+him over his head onto the rocks.
+
+The lad was already sitting up, and rubbing his knee in a dazed way, as
+if not fully understanding what had happened. The pony rushed wildly
+away, heading up the wide gully, as though with a full knowledge of
+where it was going. And the poor little burro would doubtless have
+been only too glad of a chance to follow, if only it could break loose
+from the detaining rope.
+
+Meantime the ugly monster, that had been the cause of all this
+commotion, was shuffling closer with each passing second, eager to
+strike down the burro with one savage blow from his mighty paw with its
+long claws, after which he could proceed to help himself to what those
+various packages contained.
+
+All this Frank Haywood saw in that one glance he shot toward the scene
+of action. The boy was apparently directly in the path of the hungry
+bear. And when his pony had fled in such a panic he must have also
+carried off the rifle, if the boy possessed so valuable a weapon.
+
+Thus the little fellow was at the mercy of the most feared wild beast
+to be found in all the territory between the Atlantic and the Pacific.
+
+A wild inclination to hurl himself between that brute and his
+prospective victim surged over Frank. With but a knife, or even a
+revolver to back him up, such a rash act would have been little short
+of madness. Fortunately it was not needed.
+
+"Let me try for him, Frank!" said a trembling voice at his side.
+
+And then, all at once, Frank Haywood discovered his chum was crouching
+close by, and that he was clutching a rifle in his shaking hands. How
+he had managed to get hold of the weapon Frank could not even guess,
+because his own was a dozen feet away just then.
+
+Now Bob Archer had certainly never before set eyes on a ferocious bear
+outside of the circus or museum. And doubtless that brownish-colored
+beast looked as big as a house to him, for he was very much excited.
+But he had true Kentucky pluck, and even that circumstance did not make
+him quail. If the monster had seemed to equal two houses, still would
+Bob have tried to do his duty. And just then it was to save that poor
+little Mexican boy.
+
+The grizzly had advanced so rapidly that he was already almost upon the
+crouching boy, who stared at him as if in dire dismay, as well he
+might. It was not too late, even then, for the boy to have escaped,
+could he have understood the real situation, and that it was the food
+in the packs the bear craved, rather than his life; but he did not seem
+to realize the fact.
+
+They had seen him fumbling about his sash, and now he drew something
+forth that glistened in the early morning sun. Why, the little chap
+had actually drawn his knife, as though that trifling bit of steel
+could avail anything more than the prick of a pin against that shaggy
+monster.
+
+The boy was shivering as with terror, but all the same he showed
+himself game. Frank was amazed by the sight, and not apt to forget it
+in a hurry.
+
+But by now Bob had stepped forward, uttering a sharp "hello" as he did
+so. His object, of course, was to attract the attention of the bear
+toward himself. This might cause the grizzly to change his course, and
+allow of a few more seconds' delay. It would also divert the attack
+from the helpless boy to one who was at least better armed, even though
+not professing to be a bear-hunter.
+
+Frank aroused himself. He remembered that he, too, had a repeating
+rifle, leaning against the trunk of a tree not far off. He sprang to
+secure the firearm, in the belief that possibly his assistance would be
+needed in order to finish the dreaded animal.
+
+However good Bob's intentions were, when he sought to draw the
+attention of the grizzly toward himself, they did not succeed as he had
+hoped. Bruin seemed to know that a feast awaited him as soon as he
+could clear a way to that frantic little burro with the big load. And
+he declined to be turned aside on any account.
+
+Seeing this, the Kentucky boy dropped on one knee. He felt that he
+must find some sort of rest for his gun, since his shaking hands could
+hardly be expected to hold the weapon steady when it came time to pull
+the trigger.
+
+Even as Frank swept up his gun he heard the weapon of his chum speak
+sharply. The report was instantly drowned in a tremendous roar.
+Looking, even as he drew back the hammer of his rifle, Frank saw that
+the bear had finally turned away from temptation in the way of meat and
+supplies. He had started to rush Bob, whom he evidently recognized as
+the cause of that sudden pain which had shot through his bulky body.
+
+Bob was pumping another cartridge into the firing chamber of his
+repeater. He seemed cool, although perhaps only he himself knew how
+his heart was pounding away like mad against his ribs.
+
+Both guns spoke together, it seemed. The grizzly gave another roar,
+even more furious than before. At the same time, however, he stumbled,
+and fell over sideways. Then he tried desperately to scramble back to
+his four feet, still full of fight.
+
+Both the boys again put their guns in a firing condition. Even if
+tremendously excited at the moment, they seemed to remember what was
+necessary to do in order to accomplish this result.
+
+But the bear was apparently unable to get up again. One of the bullets
+must have most luckily reached a vital point in the region of his
+heart. He was floundering about unevenly, while the little Mexican boy
+sat and stared, still gripping that ridiculously small blade in his
+hand.
+
+"We got him that time, Frank!" exclaimed Bob just then, though he could
+hardly believe his eyes at seeing the monster growing weaker. "He's a
+goner, as sure as shooting! Look at him wobble! Wow! there he goes
+over, to make his last kick! Frank, just think of me having a hand in
+the killing of such royal game! A real grizzly! Oh! I can hardly
+believe it!"
+
+They now approached the spot where the little Mexican boy was getting
+on his feet again. He was no longer white. The threatening monster
+had been placed where he could do no more harm; but the little chap
+stared uneasily at the two saddle boys. Evidently he was possessed of
+a new cause for alarm in the mere fact of their unexpected presence.
+
+The burro, meanwhile, had somehow managed to effect his release from
+the rope that had become fast in the crevice of the rock. Still in a
+panic because of the wild animal odor so close at hand, the laden
+animal hurried off after the cayuse that had fled along the gully,
+heading for where Frank had declared the canyon must undoubtedly lie.
+
+And the boy really looked very much as though he, too, would like to
+depart with equally scant ceremony.
+
+"Hi! there goes the burro!" called out Bob. "Head him off, Frank; or
+shall I jump on my horse and try to rope him?"
+
+To the astonishment of both the saddle chums the Mexican boy threw out
+a detaining hand, crying earnestly:
+
+"Senors, all, there is no need to chase them. They know where to go,
+believe me, and surely I must soon overtake them. You have saved my
+life, Senors. Lopez, he thanks you both. Before now have I seen such
+a bear; but this time I was caught dreaming. He would surely have
+killed me if it had not been for the brave Americanos."
+
+Frank was struck with the soft tones of the small chap, who did not
+look as if he could be much more than twelve years of age. His
+features were regular, if thin, and the big black eyes seemed to be
+filled with a courage beyond the ordinary. Indeed, they could not
+doubt this, having seen how he had drawn that small knife on finding
+himself confronted by the Rocky Mountain terror.
+
+"Well, we were only too glad to have been of help to you, Lopez," Frank
+remarked, as he advanced with outstretched hand.
+
+The boy looked embarrassed, as though hardly knowing what to do. It
+seemed to Frank that he had been staring very hard at Bob, and he
+wondered why. Then again he imagined that the boy must be keeping
+something back. This would account for the worried look on his small,
+pinched, but good-looking face.
+
+But undoubtedly Lopez realized that it ill became him to decline to
+take the hand that had helped save his life.
+
+"You understand that we are your friends, Lopez, don't you?" asked
+Frank, as he held the small palm of the Mexican in his own strong one
+for a moment, and looked with a puzzled expression into the big black
+eyes that quickly fell under his gaze.
+
+"Oh, yes, Senor, surely you have proved it more than enough," the
+little fellow hastened to say; and Frank was astonished to hear what
+good language he used.
+
+"You go across mountains, eh?" asked Bob, indifferently; truth to tell
+he was just then more interested in the size of the great grizzly that
+had fallen before the guns of himself and his saddle chum, than the
+mere fact of this stripling being entrusted with such a task as
+bringing supplies to prospectors, or rustlers, as the case might prove.
+
+A flash crossed the face of the boy, just as though he saw a sudden
+opening whereby his presence here might be explained without entering
+into details.
+
+"Oh! yes, across the range. I get supplies for prospectors in camp,"
+he replied, with an intake of his breath, while he watched Bob
+narrowly, as if, somehow, he believed he had more to fear from that
+source than from the tawny-haired prairie lad.
+
+"That's kind of queer, seems to me," remarked Bob, slowly, turning to
+again survey the boy; "for them to send so small a chap on so long a
+trail. I should think it was more of a man's work, toting supplies
+across these mountains, through the canyons. And with the chances of
+running foul of such dangers as bears, not to speak of rustlers."
+
+At that Lopez drew his diminutive figure up, and tried to assume a bold
+look. The Spanish blood was proud, Bob could see.
+
+"This have I done a long while, Senors, believe me," he said, calmly;
+"and until to-day never have I met with trouble. Had I not been so
+tired and sleepy, perhaps even I might have shot the bear, who knows?
+It would not be the first I have seen, no, nor yet the second; but the
+horse ran away with my gun. But Senors, I must go on after my animals;
+they will be waiting for me farther along."
+
+"Then you won't wait for us?" asked Frank. "My friend, he would like
+to get the claws of this fellow, to remember him by. It will not take
+very long, Lopez."
+
+"Thank you, Senors, but I must not delay. Perhaps you may overtake me
+farther along the trail. There is no more danger; and my pack burro
+might scrape off his load if I am not there to watch. Again I thank
+you, Senors."
+
+The boy bowed to each of them in turn, just as though he might have
+been an actor in some old-time play. Frank believed he had never seen
+such remarkable grace in any half-grown lad. Generally, at that age,
+boys are apt to be about as clumsy as bear cubs at play. He looked
+after Lopez with a frown on his face.
+
+"What's the matter, Frank?" demanded Bob, as he noticed this
+expression. "Are you huffed just because the independent little rascal
+wouldn't let us mother him? Say, look at his strut, will you? If he
+was heir to the throne of Alfonso he couldn't walk finer. Give me a
+whack between the shoulders, won't you, Frank? Perhaps I've been
+asleep, and dreamed all this."
+
+"Oh, rats! Take a look at the bear, and that'll show you what's what.
+There, he's disappeared behind that clump of mesquite yonder," and
+Frank turned to look at his saddle mate with an expression of
+bewilderment on his face, as though he might be trying to clutch some
+idea that kept eluding him.
+
+"Suppose you help me cut these awful claws off, Frank. You see I don't
+know the first thing about how it's done; and I think your idea about
+keeping 'em for trophies is just immense."
+
+"Well, for that matter," replied Frank, "I don't know as I ever did a
+job like that, myself; but I've watched old Hank do it, so I reckon
+we'll get along."
+
+For a few minutes they worked away in silence. Then Bob looked up to
+remark:
+
+"He said it was prospectors he was taking those supplies to, didn't he;
+and that he'd been doing the same a long while?"
+
+"That was about the size of it, Bob," returned his chum, thoughtfully.
+
+"Well," Bob went on, "between you and me, Frank, I'd rather believe
+little Lopez was in touch with the rustlers. I mentioned that word
+just on purpose to see if he would turn red, or give himself away."
+
+"And did he?" asked the other, quickly.
+
+"Well," replied Bob, "not so you could notice; but then he seemed such
+a smart chap, like as not he knew how to hide his feelings. He looked
+frightened when we talked of wanting him to stay with us. Mark me,
+there's a heap of mystery bound up in that little fellow."
+
+"He sure puzzles me, all right," remarked Frank. "Did you notice how
+he had a silk handkerchief bound around his head, regular Mex fashion?"
+
+"Sure I did," laughed Bob, without glancing up, as he used his knife
+industriously after the fashion set by his chum. "And I also took
+notice that he had a fine, glossy bunch of hair under that same colored
+silk bandana."
+
+"Great governor!" ejaculated Frank, suddenly.
+
+"What's the matter--you didn't cut yourself, I hope?" demanded his
+comrade, uneasily, starting up.
+
+"Shucks! no. Something just struck me, that's all," replied Frank,
+with an air of disgust, and a quick look up the gully where the little
+Mexican had last been seen.
+
+"Oh! Is that so?" mocked Bob. "Must have hurt right bad then, to make
+you peep like that. Now, I reckon it might have been something about
+Lopez?" for he had noted that hasty glance, and the disappointed frown.
+
+"That's just what it was, Bob," Frank continued, in an even tone.
+"Fact is, I just remembered who Lopez put me in mind of. Only perhaps
+you'll laugh when I tell you. Remember that poor little girl Peg Grant
+was cuffing when you knocked him down? Well, if you took that colored
+handkerchief off Lopez, and let his black hair fall down, I give you my
+word he'd be a ringer for that Mexican child!"
+
+Bob stared as if dazed, and then the light of a great discovery dawned
+upon him.
+
+"Say, Frank!" he exclaimed presently. "Honest Indian, now, I believe
+you've sure struck pay dirt, and that's what!"
+
+
+
+
+CHAPTER IX
+
+WHAT HAPPENED TO PEG
+
+"Then you think the same as I do, eh, Bob?" asked the saddle boy, as if
+pleased.
+
+"Well, now a heap of things seem to point that way, Frank," replied the
+other, slowly. "Only for the life of me I can't get it through my poor
+old head just why a girl like that would want to carry on in such a
+queer way."
+
+"Nor me, either," laughed his chum. "That's something else for us to
+lie awake nights puzzling our wits over. Everything around this
+Thunder Mountain just seems to be plastered with mystery--who little
+Lopez is; what he, or she may be doing away off here in the canyons of
+the Rockies; and more particularly the mystery of the mountain that the
+reds look on as sacred; where Mendoza and his band of rustlers have
+gone with those stolen horses; and also who the prospectors can be that
+this pile of grub was meant for--it's all a blank, that's what!"
+
+"Say, I guess that's pretty near the way it sizes up," grumbled Bob.
+"I don't like to run against a stone wall like this. If I was alone
+now, d'ye know what I'd likely be doing, Frank?"
+
+"Well, say, perhaps I might hit close to the bull's-eye, since I've
+come to know you pretty well these days, Bob," replied the other. "I
+wouldn't be surprised one bit but what you'd go rushing after Lopez,
+and demand to know all about it. But Bob, I look at it in another
+light. That's his own private business."
+
+"I suppose so; and I was brought up to mind my own affairs, too," said
+Bob.
+
+"Wouldn't you put up a great howl now," continued Frank, "if somebody
+grabbed hold of you, and insisted on your giving him the whole story of
+your life, where you were born, what your dad did for a living, when
+you cut your first tooth, how much it cost your father to let you
+gallop around the country in the saddle with me, and all that? Say,
+honest now, would you knuckle down like a meek kid; or give the
+questioner to understand that he was poking his nose into affairs that
+didn't concern him one whit?"
+
+Thereupon Bob laughed heartily.
+
+"I give up, Frank," he admitted. "You go at a fellow, and put him in a
+hole as a lawyer might. We'll just let little Lopez alone, no matter
+whether he's girl or boy; the grub-getter of prospectors; or agent for
+that sly Mendoza, the cattle-rustler. And, on the whole, I reckon
+we've got about all the business we can attend to right now on our
+hands."
+
+"That sure sounds good to me, Bob," said Frank, turning once more to
+get his horse, the task of securing the grizzly's claws having been
+completed.
+
+Naturally enough, while the excitement was on, both horses had
+exhibited the greatest alarm, even though they were out of sight behind
+some trees. The near presence of that terrible monster had caused them
+to strain at their ropes, prance wildly, and try in every way possible
+to break loose; but those lariats had been selected with a view to
+wonderful strength. After the death of the grizzly the animals had
+gradually quieted down.
+
+Ten minutes later, and the two saddle boys were slowly picking their
+way along the gully, heading upward. Frank, as one born to the
+country, and familiar with many of its peculiarities, amused himself by
+pointing out to his comrade the various positive signs that as a rule
+marked these strange water-courses.
+
+"You see, Bob," he remarked, "this is really what might be called a
+_barranca_."
+
+"Yes, I've heard you tell about them before," observed the other.
+
+"Most of the year it's only a dry ravine, with high walls; but once in
+a while there happens to be a tremendous downpour of rain in the
+mountains, when a heavy cloud breaks against the wall above. When that
+comes about, this gully is going to be bank-full of roaring, rushing
+water; and anything caught by the flood is apt to be battered and
+bruised and drowned before it's swept out below."
+
+"Whew!" observed Bob, with a shrug of the shoulders. "Let's hope then,
+that the next cloud-burst will have the kindness to hold off till we
+get out of this hole. If it caught us here, Frank, I reckon we'd just
+have to let our nags shift for themselves, and take to climbing the
+sides. And wouldn't I hate to lose Domino the worst way; even if he
+does give me a raft of trouble at times?"
+
+Frank patted the satiny flank of Buckskin affectionately, as he said:
+
+"And it would just about break me up if anything happened to this
+fellow, Bob. I've tried heaps of mounts, seeing that we always have
+hundreds on the ranch; but I never threw a leg over one I fancied like
+my Buckskin. Why, there are times, Bob, when the game little fellow
+seems next door to human to me. We understand each other right well.
+He knows what I'm saying now; listen to him whinny, soft-like, at me."
+
+Possibly Bob, knowing considerable about horses himself, may have had a
+strong suspicion that the animal understood the touch of his young
+master's hand much more readily than he did spoken words; but this was
+a subject which he never debated with Frank. The latter had a habit of
+talking confidentially with his horse, and seemed satisfied to believe
+the animal understood.
+
+Slowly they made their way along. Now and then Frank would dismount to
+examine the rocks and scanty earth that formed the trail over which
+they were passing.
+
+"Always plenty of signs to tell that horses have been going along here
+off'n on, both ways--stacks of 'em," he announced, when perhaps an hour
+had elapsed since they left the scene of the encounter with the grizzly.
+
+The ravine, or gully, which he called a _barranca_, had gradually
+changed its character. It was now more in the nature of a canyon;
+though there were still places where the walls, instead of towering
+high above their heads, sloped gradually upwards.
+
+"Smart horses could easy climb out of here up that rise," remarked
+Frank, thoughtfully eyeing one of these places.
+
+"Are you thinking that perhaps we'd better get out with our nags, while
+we have the chance, and leave them, while we keep up the game on foot?"
+asked Bob, suspecting that his chum might be considering such a move.
+
+"Well," remarked the other, "it stands to reason that our horses aren't
+going to be of much use in the mountains. If we shook 'em now, we'd be
+able to climb almost anywhere, and peek into places we'd never be able
+to find as long as we stuck to our mounts. So, if you're of the same
+mind, Bob, we'll try and find a place where we might rope 'em out, an'
+take the chances of finding 'em again when we're done poking around."
+
+"I hope then, none of the rustlers will run across them while we're
+away," said Bob, as he looked across a deep little pool that lay just
+at the foot of a very high slope; and then fastened his gaze on a
+peculiarly twisted cedar that seemed to cling to the bank, half way up.
+
+"Leave that to me, my boy," returned his chum, confidently. "I'll make
+sure they leave no trail behind to catch the eye of a horseman riding
+past. Besides, we're not dead sure, you know, that the rustlers have
+really got a camp around these diggings. P'raps now, they just push
+through the canyon to get to some other point across the divide. Or it
+may be a favorite trail for them to carry off the cattle they rustle.
+In some hidden valley, you see, they can change the brands; and then
+openly drive the steers to a shipping station on the railroad."
+
+"All right, then," agreed his companion, who was ready to put the
+utmost faith in any plan proposed by his saddle chum. "We'll keep our
+eyes peeled for a chance to get the horses out of this place. Here's a
+slope they might climb, as you say; but it looks as if they'd have to
+swim that pool first."
+
+"No use trying it," remarked Frank, casting a rapid glance upward to
+where, at a distance of possibly a hundred feet, he could see little
+bushes growing on the edge of the top of the rise, which slope formed
+an angle of something like forty-five degrees; "sure to be better
+places further on, where the holding is firmer."
+
+"And yet," remarked Bob, suddenly, "horses have made this climb only a
+short time ago, Frank!"
+
+"What makes you say that?" asked the other, interested at once.
+
+"Why, there are tracks going up slantingly, you see; and even if I am
+next door to a greenhorn I can tell that the marks look fresh," Bob
+declared, pointing.
+
+"Say, I take a back seat, Bob," Frank remarked, laughingly. "That's
+the time you saw my lead, and went me one better. Sure there have been
+horses climbing that slope--one, two, three of 'em. And Lopez, he had
+only two; so it can hardly be him. I wonder now if that measly
+tenderfoot, Peg----"
+
+"Look up yonder!" interrupted Bob, suddenly pointing again. "I saw the
+bushes moving along the edge of the top there. Somebody's got an eye
+on us right now, Frank. D'ye reckon it could be one of those rustlers;
+and would they try to hold us up so as to get our mounts?"
+
+Bob instinctively snatched his rifle, and began to make a
+demonstration, as though half tempted to shoot. His action looked so
+decidedly hostile that it naturally created something of a panic in the
+breast of the unknown who was lying concealed behind the fringe of
+bushes.
+
+They saw a sudden hasty movement, as though, in alarm, the hidden one
+had started to change his position. Then something not down on the
+bills occurred.
+
+The loose earth at the edge of the top of the long slope seemed to give
+way in a treacherous manner. Immediately a human figure came into
+view, struggling, clawing desperately, and trying in every way possible
+to clutch at something firm in order to halt his downward progress.
+
+But it was all of no avail. A second figure attempted to grasp the
+imperiled one in time, but evidently failed to secure a firm hold. And
+so the fellow started to roll down the slope. He came much after the
+manner in which a bag of corn might turn over and over. Sometimes he
+was head-first; and then again resuming the side motion, he whirled
+around in a way that was enough to make anyone dizzy.
+
+All the while he kept letting out shrill squeals of real alarm; as
+though the prospect of a final plunge into that deep dark pool at the
+base filled him with dread.
+
+By some rare chance the rolling man struck the twisted little cedar
+that tried to keep its dying hold on the scanty soil half way up the
+rise. Caught by the seat of his stout trousers on one of the scrubby
+tree's broken branches, the unfortunate one was suspended in midair,
+kicking, floundering and yelling at a tremendous rate.
+
+"Say!" exclaimed Frank, when he was able to catch his breath again,
+"What d'ye think of that, now? Our friend Peg is so glad to see us he
+couldn't wait to walk down, but tried to skate. And see what's
+happened to him! Next thing he wants is a bath; and I sure reckon he's
+due for one when that cedar pulls out its last root. Wow!"
+
+
+
+
+CHAPTER X
+
+THREATS OF TROUBLE
+
+"Splash!"
+
+Hardly had Frank ventured upon his prediction before it came true. The
+stout cloth of which Peg's garments were composed might have sustained
+his weight indefinitely, and had it depended on his trousers giving
+way, his friends above must have been compelled to use their ropes in
+order to release him from so unfortunate a predicament.
+
+But the roots of the little stunted cedar were soon torn from their
+hold. And when this came about, of course the unfortunate Peg
+continued his roll down the balance of that steep slope, clawing at
+every object which he thought might stay his progress.
+
+He certainly did drop into the pool with a tremendous splash that sent
+the water flying in every direction.
+
+At first he vanished entirely from view. Then his head emerged, and it
+could be seen that he was swimming furiously to keep afloat. Somehow
+his awkward movements made Bob Archer think of a hippopotamus he had
+once seen in a tank.
+
+Peg must have had his mouth open when he struck. Perhaps he was trying
+to shout for somebody to stop him, and in this manner he swallowed a
+quantity of water. At any rate he spouted forth quite a little fluid
+as he floundered about, kicking and beating with feet and hands, as
+though he were being run by an engine that had gone wild.
+
+Both of the saddle boys grinned. They could not help it, the thing
+looked so laughable. Had it been a dear friend, instead of an enemy,
+they must have enjoyed the sight just the same.
+
+Twice Peg bobbed under, to come up again, paddling for all the world
+like a puppy that was having its first swim. His face had taken on a
+look of terror.
+
+"Help! Can't keep up much longer! Something pulling me down!" he
+spluttered.
+
+Frank and Bob exchanged a quick glance. Of course this put quite
+another face on the matter. If Peg was really in danger they had no
+business to stand there, laughing. It might seem funny to them, but to
+Peg the matter was not at all comical.
+
+"I don't believe the critter knows how to swim, Bob!" exclaimed Frank.
+
+"That's what," answered the other, seriously. "He's just keeping up
+because he's crazy with fright. We've got to get him out of there,
+Frank."
+
+"We sure have; come along," echoed the western boy.
+
+Fortunately Frank was possessed of a quick mind. He never wasted any
+time in wondering what methods he should use in order to accomplish
+things.
+
+The pool was of considerable width, and even though he bent over its
+border he would not be able to come within five feet of the struggling
+Peg.
+
+Without hesitation he stepped into the water, holding his gun. Two
+feet from the bank and it was to his knees. But he believed he had now
+reached a point where he could hold out his rifle and touch Peg.
+
+"Take hold, and I'll pull you out!" he called, as he extended the gun.
+
+It was laughable to see how eagerly the other seized upon the chance.
+And, when Peg had fastened himself to the other end of the rifle Frank
+easily drew him shoreward.
+
+The bully came out, dripping wet, and in anything but an angelic
+temper. It was bad enough, in his eyes, to have fallen into the pool;
+but to be rescued by a fellow he hated, as he did Frank Haywood, added
+to the aggravation.
+
+After spluttering for a minute or two, so that he could get rid of the
+balance of the water he had swallowed, Peg faced the two chums.
+
+Strange to say he did not seem to consider that Frank had placed him
+under any obligations in the least when he dragged him out of the water.
+
+"See what you did," Peg exclaimed, now spluttering with burning anger.
+"What d'ye mean pointing your old gun up at me, and making as if you
+meant to shoot?"
+
+"Oh!" remarked Bob, elevating his eyebrows; "was that what forced you
+to take that header down the slope? Well, now, we had an idea you were
+so glad to see us that you just couldn't wait to walk down, but wanted
+to fly! But, if I was to blame at all for your trouble, I'm sure I'm
+sorry. But you see, we didn't know whether we were going to be held up
+by rustlers or Indians. That's what comes from hiding, Peg."
+
+"Bah! guess I'll do just whatever I want," spluttered the other, wiping
+his dripping face on his sleeve without doing either much good,
+however. "And do you know what I think?"
+
+"Well, no, I must say I don't happen to be a mind reader, Peg. Suppose
+you tell me," replied the unruffled Bob, who had taken the measure of
+the other, and knew he might be set down as a great boaster, but one
+not particularly dangerous when it came to a show-down.
+
+"I believe you just did that on purpose, that's what," Peg went on,
+hotly. "You've got it in for me ever since that time we had our little
+affair, when I laid a hand on the Mexican girl who sassed me. You just
+knew I'd jump up in a hurry if you made out you was going to shoot; and
+I bet you even remembered this lake at the bottom of the slope. Oh! it
+worked all right; but don't you forget; my time will come. I'm going
+to pay you back in full! I've got friends who'll stick by me, all
+right. Bah! what're you two fellers doing here on Thunder Mountain,
+anyhow?"
+
+A new suspicion had apparently seized upon Peg. He viewed their
+presence as a personal insult; just as though they might have plotted
+to forestall him in the glorious adventure he had planned to carry out.
+
+"Well, if the old mountain belongs to you," spoke up Frank, thinking it
+time he took a hand in the talk, "we'll ask you to excuse us, and back
+out. But I don't think you have any claim on it; so we'll hang around
+as long as we see fit. And remember this, Peg, we're going to mind our
+own business; but we don't stand for any bother from you, or those with
+you. Understand that?"
+
+Peg looked at him long and steadily. The eyes of Frank never wavered
+in the slightest degree.
+
+"All right," said Peg, finally, as his own eyes dropped. "You wait and
+see; that's what! This thing's been hanging fire a long time now; and
+some day we're bound to have it out, Frank Haywood. My dad's after
+yours with a sharp stick; and perhaps the trouble is going to come down
+to the next generation. You'll get yours good and plenty when the
+right time comes!"
+
+He turned away, and, limping to where the slope could be reached by
+skirting the edge of the pool, laboriously commenced to climb,
+following the tracks of the three horses.
+
+"There's one of his guides up yonder, Frank," remarked Bob; "sitting on
+the top of the bank. Looks to me like he was grinning to beat the
+band."
+
+"Yes, that's Nick Jennings," replied Frank. "Used to work on the
+Circle Ranch, but he got his walking papers because he was caught
+stealing from the other men. He's got a grudge against me because I'm
+a Haywood. But Nick likes a joke as well as any cowboy; and who could
+keep a straight face after seeing what happened here? Look a little
+farther on, and you'll just glimpse the colored handkerchief Spanish
+Joe wears on his head."
+
+"I see him peeping at us from behind the bushes," returned Bob. "And
+say, he's handling that gun of his just like he'd be glad to use it if
+anybody gave him the dare. I reckon Spanish Joe is some ugly customer,
+Frank."
+
+"That's just what he is; but let's be moving on. If Peg takes another
+flop and splashes in this puddle again, he'll have to swim for it, or
+else depend on his own guides to yank him out. No more for me. I'm
+wet to the knees; and did you hear him thank me for it? He's sure the
+limit."
+
+So the two boys went on.
+
+They were not interfered with, which pleased Frank not a little.
+Knowing the nature of Spanish Joe, and the revengeful character of Nick
+Jennings, he would not have been much surprised had they attacked him
+and Bob, and carried things with a high hand.
+
+Presently a turn in the canyon shut out the scene of their late
+adventure. The last glimpse they had of Peg Grant, he had nearly
+arrived at the top of the slope, and it seemed possible that he would
+not make a slip that might cause him to repeat his recent circus act.
+
+"Why do you think they left the trail, and made their horses climb up?"
+asked Bob, presently.
+
+"Well, they might have talked it over just as we did, and chosen to
+leave the horses so they could look around on foot," Frank replied.
+
+"But you suspect they might have another reason, too?" Bob insisted.
+
+"That's a fact," replied his chum, seriously. "For all we know they
+may have run across some sign of the rustlers, and thought it best to
+get out of the beaten rut here before they got caught."
+
+"Then you don't believe that little Lopez had anything to do with it,
+Frank?"
+
+"What, that Mex boy? Oh! he's out of the business long ago," replied
+the other.
+
+"In what way? Didn't he come along this trail ahead of us?" asked Bob.
+
+"Sure thing," Frank went on. "But you see I've missed the marks of
+that burro's little hoofs for nearly twenty minutes. I made up my mind
+Lopez had some slick way of climbing out of the _barranca_ a ways back,
+without leaving much of any trail. I told you he was a sly one, and I
+say the same now, no matter whether he's a brother to the girl you
+defended against Peg, or the girl herself."
+
+"All right, Frank. Get us out of this as soon as you can," Bob
+remarked, looking ahead, as though he did not much fancy the appearance
+of things there.
+
+Ten minutes later Frank drew rein sharply.
+
+"What's doing?" asked Bob, nervously, as he half raised his rifle,
+which he had insisted on holding in his hand all the time since that
+meeting with Peg. "Think you see signs of trouble from Peg and his
+bunch; or is it something else?"
+
+"Something else this time," remarked Frank. "Fact is, our chance has
+come to get up out of here with the nags!"
+
+
+
+
+CHAPTER XI
+
+THE BLACK NIGHT
+
+"How does this suit you, Bob?"
+
+Frank asked this question as he and his comrade sat there in their
+saddles, and glanced around at the peaceful scene. They had climbed
+the bank of the _barranca_, and reached a spot where the grass was
+growing under a cluster of mesquite trees.
+
+"It looks good enough for me," replied the young Kentuckian.
+
+"Plenty of forage for the horses," Frank went on, nodding his head as
+he looked; "and do you see that little trickling stream of water that
+crawls along? All we have to do is to hide the horses here. When we
+want 'em, the chances are we'll find 'em safe."
+
+"I hope so," remarked Bob, as he alighted.
+
+In a short time they had removed saddles and bridles, hiding these
+among the neighboring rocks, together with their supplies, and had
+picketed the horses by means of the lariats.
+
+"Now what?" asked Bob.
+
+"You sit down here, and wait till I come back," Frank remarked.
+
+"What are you going to do?" the Kentucky lad inquired; "something that
+I might lend a hand at?"
+
+"No, I reckon you're a little shy on knowing how to hide a trail, Bob.
+Old Hank showed me, and I've practiced it often. This promises to be a
+chance to see whether I learned my lesson half-way decent."
+
+"Oh! all right, Frank. But some day I expect you to show me all about
+that sort of thing. You know I want to be in the swim, and learn how
+to do everything there is. I'll wait here by the water," and Bob
+dropped down to rest.
+
+"I won't be gone long," Frank observed. "Pretty much all the slope was
+made up of stone; and what a great time the horses did have, trying to
+hang on. Once I thought your nag was going to take a nasty plunge,
+because he isn't as used to the work as a Western pony would be. But
+he recovered, thanks to the help you gave him, and made the top all
+right. So-long, Bob."
+
+"I notice you're taking your gun along," remarked the one who was to
+stay.
+
+"Well, when you're in the mountains it's just as well to be prepared
+all the time. You never can tell when you'll run slap into something.
+It might be a big grizzly like the one we met; then perhaps a hungry
+panther might take a notion to tackle you. I knew a cowman who had
+that happen to him. Yes, and perhaps you heard him tell the story."
+
+"You must mean Ike Lasker," Bob replied, quickly. "Yes, I remember how
+he said he was lying down, waiting for some feeding deer off to
+windward to work closer, when, all of a sudden, something struck him on
+the back, and nearly knocked the wind out of him for keeps. He managed
+to get his knife out, and they had it there, good and hard."
+
+"Ike said he nearly cashed in his checks that time," Frank added.
+"Some of his mates found him, after they discovered his horse feeding
+near by. The panther was dead as a stone, and Ike was clawed and bit
+till he looked like a map of the delta of the Mississippi--anyhow,
+that's the way he told it. Keep your shooter handy, too, Bob."
+
+"I will that," returned the Kentucky boy, impressed by his chum's
+earnestness.
+
+After a little while Frank came back again. His manner told that he
+was quite satisfied with what he had done.
+
+"A sharp-eyed trailer might find where we left the canyon," he
+admitted; "but I don't believe any ordinary fellow would notice the
+marks. So I think our horses stand a first class chance of being here
+when we come back for 'em."
+
+Bob got on his feet.
+
+"I've fixed up some grub, just as you told me," he remarked. "It isn't
+much, but ought to serve in a pinch."
+
+"And as it's nearly noon now," observed Frank. "Why not take a snack
+before we leave our base of supplies? Let's get the stuff out of the
+cache again, and have a round of bites."
+
+"I don't see the use of hurrying away from here right now, anyhow," Bob
+remarked, while they were eating.
+
+"You mean," said Frank, "that we only came here to see what we could
+find out about the secret of old Thunder Mountain, and why it kicks up
+such a rumpus every little while?"
+
+"Yes, and seems to me that since we're right on the ground now, we
+might just as well start business, here," Bob asserted.
+
+"That is, hang around until night, and wait to see if the grinding
+begins again, as it did when we were in camp below?"
+
+"We'd be in a position to guess what it was, better than before," Bob
+went on.
+
+"That's a fact," laughed Frank. "And if, as lots of people think, this
+old mountain is a played-out volcano, perhaps we might even smell the
+sulphur cooking, by sticking our noses down into some of these crevices
+in the rocks."
+
+"Now you're joshing me, Frank!" declared the Kentucky lad, reprovingly.
+
+"I am not," replied the other, immediately. "Suppose there was any
+truth in that fairy story about the fires away down in the earth here;
+don't you think a fellow might get a whiff of the brimstone if he was
+Johnny on the spot? Why, honest now, Bob, it was on my mind to find
+some sort of cave up here, and go in just as far as we could. Don't
+you see the point?"
+
+"Oh! I reckon I do, Frank. You take little stock in that yarn; but,
+all the same, you think we ought to look into it, now we're on the
+ground?"
+
+"That's it, Bob. Why, even my dad kind of favors that idea, and I want
+to either prove it a fake, or learn that there's something to it."
+
+So they lay there, lazily enough, instead of climbing farther up the
+side of the mountain. It was very pleasant to keep in the cool shade
+of the trees, with that trickling little stream so near, for, as the
+afternoon advanced, it seemed as though the air became very oppressive.
+
+Frank was looking up at the sky many times, and finally his companion
+asked him what was on his mind.
+
+"I don't pretend to be a weather sharp," Frank replied; "but, all the
+same, there are signs up there that've got me guessing."
+
+"Well, it _is_ clouding up some," replied Bob, as he swept a look
+around at what they could see of the arch overhead. "Perhaps the long
+drought is going to be broken at last, Frank. Your father will be
+tickled, if it turns out that way. He's been complaining of late about
+the stock having to hunt twice as far away from the ranch for forage.
+A rain would make things green again."
+
+"Sure it would," replied Frank; "but, as I said to you before, a rain
+storm up in the Rockies is sometimes no joke. We may have to do some
+tall climbing if it gets a whack at us when we're in the canyon."
+
+The day was passing. They had seen nothing more of Peg Grant and his
+two guides, but could easily believe the others were not a great way
+off. Perhaps they, too, were only waiting for night to come in order
+to start their investigation.
+
+"I don't think either Spanish Joe, or Nick, could be depended on, if
+the thing began to look too spooky," Frank had said more than once,
+showing that his thoughts must be running in the direction of the rival
+party.
+
+"Oh! this is easy," chuckled Bob. "If all we've got to do is to squat
+here and take notes when the menagerie begins to wake up, it's going to
+be a snap."
+
+Frank did not want to make his chum nervous by confessing that he had
+another reason for agreeing to remain there idle the balance of the
+day, besides the fact of there being no hurry, and that they could take
+notes just as easy there as farther up the mountain.
+
+The fact was, he had concluded, it would be safer for them to remain in
+hiding while daylight lasted, and do what searching they expected to
+accomplish in the darkness of night.
+
+It was too easy, for anyone who had no scruples, and wished to do them
+injury, to drop a rock down from the wall of the canyon. Against this
+sort of attack their rifles would be useless; and terrible damage might
+result.
+
+As to who would be guilty of such an outrage, Frank only remembered
+that Peg was in a white heat of indignation, and fully capable of doing
+some madcap prank in order to frighten off the two saddle boys. He was
+also not a little worried about the rustlers, supposed to be lurking
+somewhere not far distant.
+
+Last, but not least, there were the prospectors to whom little Lopez
+had admitted he was carrying the supplies that were secured on the pack
+burro. Frank had not heard of any treasure-hunters having invaded the
+slopes and valleys around Thunder Mountain; but this did not mean it
+could not be true.
+
+If these men were secretly taking out possibly large quantities of
+precious ore, and did not wish to be discovered, or disturbed in their
+operations, even they might try to alarm the invaders by hostile
+demonstrations.
+
+"It's as pretty a mixup as ever I heard tell of," Frank had said
+several times that afternoon, while they were exchanging confidences in
+connection with the remarkable possibilities around them. "What with
+the rustlers, Peg and his crowd of thunder investigators, the little
+Mex. boy and his unknown prospector bunch; and last but not least, Bob,
+ourselves, it sure has me going some."
+
+"Yes," the other had returned, "but I hope we'll keep clear of the
+whole lot, and be able to find out something worth while. I wish the
+next night was over, and we were galloping along over the plains headed
+for good old Circle Ranch."
+
+"Me too, Bob, always provided we carried with us an explanation for
+those deep grumblings that shake the earth, and seem to come out of the
+heart of Thunder Mountain. I'm a stubborn fellow, as I reckon you
+know; and when I throw my hat into the ring I like to stick it through
+till they carry me out."
+
+"The same here," Bob had declared, after which the chums had to shake
+hands on it again, thus sealing the compact to stick.
+
+And so the day went, and night came on apace.
+
+The air did not seem to cool off to any extent as darkness approached.
+Frank took pains to call the attention of his comrade to this fact.
+
+"You can guess what that means, Bob," he remarked. "It's sure going to
+bring on a whopper before a great while. All the signs point that way
+right now. So we can expect to get ready for a ducking."
+
+"Oh! that doesn't bother me," declared Bob. "I've been through many a
+one. All I hope is that we don't happen to be in the old canyon when
+that cloudburst you mentioned comes along. I'm not hankering after a
+ride on a forty foot wave, and down that crooked old canyon, too.
+Excuse me, if you please!"
+
+"Of course if we only stick it out here, there's going to be no
+danger," Frank remarked, indifferently.
+
+"I see that you're just itching to be on the move, old fellow,"
+ventured Bob, who knew the restless nature of his chum.
+
+"Do you? Well, Bob, to tell the truth, if I was alone now, I suppose
+I'd be making for the top of the old hill, bent on finding out whether
+there was any sign of smoke oozing from the cracks and crevices at just
+the time the rumblings came on."
+
+"Then what's to hinder both of us going at it?" demanded the proud
+Kentucky lad, fearful that Frank might think him timid because he had
+suggested their remaining out of the danger zone.
+
+"We may, later on. Just now it's our business to get some supper; and
+hot or not, I'm going to make a cooking fire back of this big boulder,
+where nobody could ever glimpse the blaze."
+
+"Did you say coffee?" remarked Bob. "All right, I'll go you, old
+fellow. I feel a little that way myself, and that's no yarn."
+
+So Frank got things started, and it was not a great while before the
+coffee pot was bubbling as merrily as ever, with that appetizing odor
+wafting from it.
+
+The darkness kept on increasing while they ate. An hour later it was
+very black all around them, and Bob viewed the possibility of their
+venturing into the unknown perils around them with anything but a
+comfortable feeling.
+
+It was just when he was wondering whether Frank would not conclude to
+remain in the safe position they occupied that he heard his comrade
+give a sharp cry.
+
+"What have you discovered, Frank?" asked Bob, starting to get up.
+
+"A light up the side of the mountain yonder," replied the other, "and,
+Bob, perhaps if we could only manage to climb up there, we'd learn
+something worth while. The question is, have we the nerve to try it?"
+
+
+
+
+CHAPTER XII
+
+LOSING THEIR BEARINGS
+
+Bob chose to consider this a direct challenge.
+
+"I expect that it would be queer if we didn't make some sort of effort
+to find out what the light means. Where is it, Frank?" he remarked,
+with perfect coolness.
+
+"Well, it must have gone out while you were speaking, Bob, as sure as
+anything," the other replied. "But I saw it, I give you my word I did.
+Huh! there she comes again, just like it was before. Step over here;
+the spur of the rock is in your way there. Now look straight up. Get
+it?"
+
+"Easy, Frank. A fellow might think it was a star, if he didn't know
+the mountain was there. Now it's getting bigger right along."
+
+"That's so, Bob. And yet it doesn't seem to be a fire, does it?"
+
+"More like a lantern to me," declared the Kentucky boy. "Say, what
+d'ye reckon anybody could want a lantern up there for? Can you see any
+swinging motion to the light Frank?"
+
+"It does seem to move, now and then, for a fact," admitted the other,
+after watching the gleam for a short time.
+
+"About like a brakeman might swing his lantern if he was on a freight
+train in a black night, eh?" continued Bob.
+
+"Hello! I see now what you're aiming at, Bob; you've just got a notion
+in your head that the lantern is being used for signalling purposes."
+
+"Well, does that strike you as silly?" demanded Bob Archer.
+
+"Silly? Hum! well, perhaps not, because it may be the right
+explanation of the thing. But whatever would anybody up there be
+signalling for, and who to, Bob?"
+
+"There you've got me," laughed the other. "I'm not so far along as
+that yet. P'raps it might be one of the rustlers, telling something to
+another of the same stripe, who is located in camp out yonder on the
+plain. Then, again, how do we know but what it might be that Peg Grant
+lot? And Lopez. Don't forget little Lopez, Frank. Prospectors could
+have a lantern; in fact, I understand they often do carry such a thing
+along with 'em when they go into the mountains to pan for dust in the
+creek beds."
+
+"So," said Frank, who evidently was doing considerable thinking.
+
+They stood there for some little time, looking up at the light. Bob
+was merely indulging in various speculations regarding its source. On
+the other hand Frank busied himself in locating the strange glow, so
+that he might be able to know when he reached the spot, in case it was
+invisible at the time they arrived.
+
+"Do we go?" asked Bob, when he, too, found his impatience getting the
+better of him; whereupon Frank, who had evidently been waiting for some
+sign, immediately took him up on it.
+
+"If you're ready, we'll start right away," he said, quietly. "Luckily
+I've been studying the face of Thunder Mountain at times during the
+afternoon, and I reckon I can pilot the expedition all right."
+
+But when Frank said this so confidently he failed to consider the
+intense darkness that might baffle all his plans of campaign. Still,
+Bob had the utmost confidence in his chum's ability to pull out of any
+ordinary difficulty. And, since his Kentucky spirit had been fully
+aroused, he was ready to accompany Frank anywhere, at any time.
+
+Before they had been ten minutes on the way each of the boys sincerely
+wished that the idea to investigate had never appealed to them, for
+they began to have a rough time of it. But both were too proud to
+admit the fact, and so they kept crawling along over the rocks with
+their rifles slung on their backs, at times finding it necessary to
+clutch hold of bushes or saplings in order to save themselves from some
+tumble into holes, the actual depth of which they had no means of even
+guessing in the darkness.
+
+The light was gone. Of course that might not mean it had vanished
+entirely; but at least it could no longer be seen by the boys who were
+climbing upward.
+
+Bob was hoping his comrade would propose that they call it off, and
+proceed to spend the balance of the night in the first comfortable nook
+they ran across. But Frank himself was loath to give the first sign of
+a backdown. Consequently they continued the laborious task which was
+likely to bring no reward in its train, only the satisfaction of
+knowing they had accomplished the duty which they had in mind at the
+time of the start.
+
+An hour must surely have gone since they first left the little green
+glade where the horses were staked out, and their supplies cached.
+
+Bob found himself blown, and trembling all over with fatigue, because
+of the unusual exertion. The heat, too, was troublesome. But not for
+worlds would he be the first to complain. Frank was setting the pace,
+and he must be the one to call a halt.
+
+"Phew! this is rough sledding," remarked Frank, finally, as he stopped
+to wipe his streaming face.
+
+Of course Bob also came to a halt.
+
+"Well, it is for a fact," he admitted with a little dry chuckle; for he
+felt really pleased to think that he had held out so long, and forced
+Frank to "show his hand."
+
+"Seems to me we ought to have struck something," suggested Frank.
+
+"Do you really mean you think we've come far enough for that?"
+questioned Bob.
+
+"I reckon we have, though it's so dark I can't be dead sure. You don't
+happen to glimpse anything queer around here, do you, Bob?" and while
+speaking Frank, perhaps unconsciously, lowered his voice more or less.
+
+"Nary a thing," replied the other, breathing fast, as if to make up for
+lost time.
+
+"And I don't get any whiff of smoke, do you?" continued Frank.
+
+"Oh! you're thinking about that volcano business again, eh?" chuckled
+Bob. "Nothing doing, Frank. Gee! we must be up pretty high here!"
+
+"Feels like it," returned the prairie boy, accustomed to the heavier
+air of the lower levels at all times. "Makes me breathe faster, you
+know. But that was a hot old climb, Bob."
+
+"All black up yonder in the sky, with never a star showing," observed
+the boy from Kentucky.
+
+"Oh! we're going to get it, sooner or later," declared Frank,
+cheerfully. "Can't escape a ducking, I take it. But here we are, half
+way up old Thunder Mountain, and not a thing to show for our work.
+That's what I call tough!"
+
+"Got enough?" asked his chum, invitingly.
+
+"You mean of course for to-night only, because you'd never think of
+such a thing as giving up the game so early, Bob?"
+
+"Well, I was only going to make a little suggestion," returned the
+other.
+
+"Hit her up, then; though perhaps I could guess what it's like, Bob."
+
+"All right then. You know what I mean--and that since we're away up
+here, we might as well make up our minds to hunt an overhanging ledge,
+and take a nap. But say, what're you sniffing that way for, Frank?"
+
+"Just imagined that I got a faint whiff of smoke; but of course it was
+all in my eye," replied the other.
+
+"Was it? I tell you I had a scent of it myself right then," declared
+the taller lad, showing signs of considerable excitement.
+
+"Seems to come and go, then, for I don't get it any more. What was it
+like, Bob? Did you ever smell sulphur burning?"
+
+"Lots of times, and helped to use it too, disinfecting," replied Bob,
+readily. "Spent months with my uncle, who is a doctor in Cincinnati,
+during an epidemic, and he often had to clean out rookeries just to
+stamp out the disease. But this wasn't any sulphur odor I caught,
+Frank."
+
+"Then you could recognize it; eh?" asked his chum.
+
+"It was burning wood, I give you my word for that," replied Bob, firmly.
+
+"Hum. That sounds more like it. We'll let the volcano matter sizzle
+for a little while, and look around for something smaller. Burning
+wood must mean a fire, Bob!"
+
+"That's what they say, always; where there's smoke there must be fire.
+But it seems to me we ought to see such a thing on this black night,
+Frank."
+
+"Unless it's hidden, as we make our cooking fire; or else the blaze is
+at the last gasp. Then, after all, we may have been a little off about
+that light we saw," Frank continued.
+
+"The one we said was a lantern? Then you think, now, it might have
+been a fire?" questioned the Kentucky lad.
+
+"Well, I just don't know what to think. But let's look around a bit,
+and see if we can locate this fire," Frank suggested.
+
+After moving around for a short time as well as the darkness allowed
+the two boys came together again.
+
+"No luck, eh?" questioned Frank.
+
+"Didn't find a thing; but I stumbled over a creek and came near taking
+a header down-grade that would have made that plunge of Peg's take a
+back seat. Just in the nick of time I managed to grab a little tree.
+Phew! it shook me up, though," and Bob rubbed one of his shins as
+though he might have "barked" it at the time of the encounter.
+
+"Same here; only I didn't happen to fall," replied Frank.
+
+"So it seems as if we were no better off than before," remarked Bob,
+dejectedly.
+
+"We've learned where the fire isn't, if that's any satisfaction to us,"
+chuckled his chum, trying to make the best of a bad bargain.
+
+"And that smoke smells so meaning-like, it's sure a shame we can't just
+get a line on where it comes from," Bob went on to say.
+
+Frank seemed to catch a significance in his words, for he turned
+sharply on his companion, saying:
+
+"Look here, have you been getting a whiff of it again, Bob?"
+
+"Why, yes, several of 'em in fact, Frank," replied the other, in what
+seemed to be a surprised tone. "But what does that matter, when
+neither of us can find any fire around? I sniffed and sniffed, but
+although I just turned my eyes in every direction not even a tiny spark
+could I see. And that happened just three times, Frank."
+
+"What! do you mean you smelled smoke three separate times since you
+left me?" demanded the saddle boy.
+
+"I'm sure it must have been three, because it was between the first and
+second times that I tripped. Yes, and always in just the same place
+too, which was queer enough."
+
+"That sounds kind of encouraging, Bob," declared Frank.
+
+"Do you think so?" asked the other, puzzled to account for Frank's
+newly awakened interest. "Tell me why, won't you, please, Frank?"
+
+"Sure, after you have answered me a question," Frank promptly remarked.
+
+"All right, let's have it, then," his chum returned.
+
+"Do you think you could find that exact spot again?" asked Frank.
+
+"Meaning where I sniffed that smoke each time? Why, I guess I can,
+because I went back there twice, all right. Couldn't be quite
+satisfied that there wasn't _something_ around there I ought to
+discover. But it turned out a fizzle, Frank."
+
+"Perhaps it wouldn't be so unkind to me, though," the Western boy
+declared. "Take me to that place, Bob, and right away. It strikes me
+I'd just like to get another little whiff of that same wood smell,
+myself. It wouldn't be the first time I'd followed up a smoke trail."
+
+"Gracious! that sounds interesting, and I hope you can do it, Frank!"
+breathed Bob, his admiration for his chum awakening once more.
+
+"First of all, get me to that place. Lead off, and I'll be close at
+your heels. And, Bob, don't forget that spot where you came near
+having your tumble. Keep your level head about you."
+
+"I'll sure try to, Frank. Come on then."
+
+Bob led the way through the darkness. Although he had been out West
+for so short a time Bob Archer was rapidly learning the ways practiced
+by those who live close to Nature. He began to observe always all that
+he saw, and in such a way that he could describe it again, in every
+detail.
+
+And so it chanced that, having marked his course when coming back after
+his unsuccessful search for the fire, he was able, not only to lead his
+comrade thither, but to warn him every time they approached a dangerous
+slide, where a trip might hurl one some hundreds of feet down the face
+of Thunder Mountain.
+
+"Here is the place, Frank," Bob suddenly said, in a cautious whisper.
+
+
+
+
+CHAPTER XIII
+
+THE SMOKE TRAIL
+
+"Are you sure of it?" asked Frank, in the same low voice.
+
+"Why, try for yourself, and see if you can't get a whiff of smoke right
+now," Bob replied.
+
+"You're right, because I caught it just then; but I reckon the wind
+must be changing some, for it's gone again," Frank remarked.
+
+"You never spoke truer words, Frank, because I can hear the breeze
+beginning to shake the leaves in the trees up yonder, and it wasn't
+doing that before."
+
+Bob pointed upwards as he said this cautiously. And Frank, always
+watchful, noticed a certain fact. The trees were so situated that they
+could be said to lie almost in a direct Southeast line from where he
+and Bob stood! This might appear to be a very small matter, and hardly
+worthy of notice; but according to Frank's view it was apt to prove of
+considerable moment, in view of what was likely to follow.
+
+"Well, as the smoke's gone again, let's see if we can locate it by
+moving a little this way," and Frank led off as he spoke, with Bob
+following.
+
+Both lads were very cautious now. Even Bob, greenhorn as he was, so
+far as Western ways were concerned, understood the need of care when
+approaching a camp that might be occupied by enemies. And as for
+Frank, he had not been in the company of an old ranger like Hank Coombs
+many times without learning considerable.
+
+They had not been moving in the new direction more than five minutes
+when Bob reached out his hand and clutched the sleeve of his chum's
+jacket.
+
+"What is it?" asked the leader, stopping short, and crouching there.
+
+"I got it again, Frank," whispered the Kentucky boy, eagerly.
+
+"Sure," replied his comrade, immediately. "Why, I've been smelling
+smoke for more'n a whole minute now. And I'm following it up, foot by
+foot."
+
+"Oh!" murmured Bob, taken aback by this intelligence.
+
+"Don't say a word above your breath, Bob. Whoever it is can't be far
+away now. We may run in on 'em any minute, you know," and as if to
+emphasize the need of caution Frank drew his chum close while he
+whispered these words directly in his ear.
+
+Bob did not make any verbal reply; but he gave the other's sleeve a
+jerk that was intended to tell Frank he understood, and would be
+careful. Then they moved along again.
+
+It was no easy task making progress through the darkness, and over such
+rough grounds, without causing any sound. Bob found that he had almost
+to get down on his hands and knees and creep, in order to accomplish
+it. But his chum had not forgotten that he was new to this sort of
+business, and hence he gave Bob plenty of time.
+
+Then Bob in turn began sniffing, and Frank knew that now he, too, had
+caught the trail-odor, which was constantly becoming stronger. Thus
+they were positive that while they moved forward they must be gradually
+drawing nearer the source of the smoke.
+
+Another tug came at Frank's sleeve, at which signal he bent his head
+low so that his chum might say what he wanted in his ear.
+
+"Sounds like voices!" whispered the excited Kentucky lad.
+
+Frank gave a little affirmative grunt.
+
+"Rustlers, maybe?" Bob went on.
+
+The other made a low sound that somehow Bob seemed to interpret as
+meaning a negative to his question.
+
+"Then prospectors--Lopez and his bunch?"
+
+"Uh!" Frank replied; and then himself lowering his lips to the ear of
+Bob he went on: "What's the matter with Peg and his crowd? They might
+have got up here ahead of us. Quiet now!"
+
+Bob did not attempt to say another word. He had new food for thought.
+Yes, to be sure, Peg and his two cowboy guides had had plenty of time
+to climb that far up the side of Thunder Mountain. If they had taken
+daylight for the task of course they avoided the danger of getting
+lost, such as had overtaken the saddle boys. And if the nerve of
+Spanish Joe and Nick Jennings continued to hold out, when strange
+things began to happen, the boastful tenderfoot from the East stood a
+chance of making a discovery.
+
+As the two crept closer, on hands and knees, they could hear the murmur
+of voices grow louder, even though the speakers were evidently talking
+in low tones. While the experience was altogether new to Bob, he
+enjoyed it immensely. Why, after all, it was not so very hard to place
+his hands and knees in such fashion that he felt able to move along
+almost as silently as a snake might have done.
+
+Now he was even able to locate the spot from which the murmur of voices
+came. Yes, and when he looked closer he saw a tiny spark that glowed
+regularly, just as a firefly might sparkle every ten seconds or so.
+
+Bob solved that little mystery easily. Of course it was Spanish Joe,
+smoking one of the little cigarettes which he was so frequently rolling
+between his fingers.
+
+To be sure, the odor of tobacco smoke mingled with that of burning
+wood. And if Spanish Joe, why not the other cowboy who was in bad
+repute among the ranches; yes, and Peg himself?
+
+Bob began to wonder what the programme of his chum might be. Surely
+they would not take the chances of crawling up much closer now. If
+discovered they would run the risk of being fired upon; and besides,
+there was no necessity for such rashness.
+
+Then Bob discovered that when the wind veered a little, as it seemed to
+be doing right along, he could actually catch what was being said.
+
+Peg was talking at the time, and grumbling after his usual manner about
+something or other.
+
+"Ten to one the fellow's gone and deserted us, Nick!" he remarked,
+suspicion in every word.
+
+Apparently the lounging cowboy did not share in his opinion, for he
+laughed in a careless way as he drawled out:
+
+"Oh! I reckon not, Peg. Me and Joe has hit up the pace fur some years
+in company, and I knows him too well to b'lieve he'd break loose from a
+soft snap like this here one. Jest lie low, an' he'll be back. Let's
+hope Joe's found out somethin' wuth knowin'."
+
+"But he's been gone nearly an hour now," complained Peg.
+
+"What of that? It ain't the easiest thing gettin' around on this rocky
+ole mounting in the pitch dark, let me tell ye, Peg," Nick remarked;
+and by the way he seemed to puff between each few words, Bob understood
+that it must be Nick who was using the cigarette, and not Spanish Joe.
+
+"Say, that's so," admitted Peg, as if a new idea had come to him.
+"Perhaps he's slipped, and fallen down into one of those holes you
+showed me when we were coming up!"
+
+This also amused the cowboy, for he chuckled again.
+
+"Too easy an end for Spanish Joe," he said, carelessly. "Born fur the
+rope, and he can't cheat his fate. Same thing's been said 'bout me.
+Don't bother me none, though, and sometimes it's a real comfort;
+'specially when a landslide carries ye down the side of a mounting like
+a railroad train, like I had happen to me. Nawthin' ain't agoin' to
+hurt ye if so be yer end's got to come by the rope."
+
+"A landslide! Do they often have that sort of thing out here?" asked
+Peg, showing some anxiety, as though he had read about such terrible
+happenings, and did not care to make a close acquaintance with one.
+
+"Sure we does, every little while," remarked Nick, cheerfully. "Why,
+jest last year the hull side of a peak 'bout forty mile north of here
+broke away, and a Injun village was wiped out. Never did hear anything
+from a single critter after that slip bore down on 'em."
+
+"It might happen here on Thunder Mountain, too, couldn't it, Nick?"
+pursued Peg, as if the subject, with all it pictured to his active
+mind, held his interest gripped in such a fashion that he could not
+shake himself free.
+
+"Easiest thing goin', Peg. And let me tell ye, if it ever do happen
+here, thar's agoin' to be a slide to beat the band!" Nick asserted,
+positively.
+
+"But what makes you say that, Nick?" demanded the boy.
+
+"Oh! lots of people says the same thing," replied the other, as if
+carelessly.
+
+"That a landslide is going to start things going on Thunder Mountain
+any time--is that what you mean?" Peg insisted on repeating.
+
+"Any day, er night. Things have been lookin' that way for some time
+now. I reckon she's due with the next big cloud-burst that sails this
+way."
+
+It was evident that, for some reason, Nick was trying to frighten his
+young employer. Perhaps he himself really wished to get away from the
+mountain with the bad name; and took this means of accomplishing his
+end without showing his hand. If that were true, then he was gaining
+his end, for Peg certainly gave evidence of increasing uneasiness.
+
+"But why didn't you tell me all this before?" he demanded, indignantly.
+
+"What was the use, boss? Ye was sot on comin' here, and ye made Joe
+and me a rattlin' good offer. 'Sides, it didn't matter much to me. I
+had my life insured. A rope might have skeered me; but say, I don't
+keer that for landslips," and Nick snapped his fingers contemptuously.
+
+But Frank, who knew the sly cow puncher so well, believed that more or
+less of his indifference was assumed.
+
+"Well, I do!" declared Peg, with emphasis; "and if I'd only known about
+that sort of thing before, blessed if I'd a come. I've heard what
+happens when the side of a mountain tears away, and how everything in
+the path goes along. They showed me the bare wall where one broke
+loose up in Colorado. Say, it was the worst sight ever. You'll have
+to excuse me from nosing around here another day, if that sort of thing
+is hanging over this place. Me for the ranch on the jump. Get that,
+Nick?"
+
+"Oh! now, what's the use botherin'? Chances are three to one they
+ain't agoin' to be any sech upsets as that yet awhile," the cowboy said.
+
+"Only three to one!" burst out Peg. "All right, you can stick it out
+if you want, and I'll pay you all I agreed; but just you understand,
+Nick Jennings, when to-morrow comes, I want you to get me down on the
+prairie, where I can make a blue streak for the X-bar-X ranch house."
+
+"But ye sed as how ye was detarmined to find out what made them roarin'
+n'ises, up here on old Thunder Mountain!" protested the guide, although
+he evidently expressed himself in this way only to further arouse the
+obstinate boy.
+
+"I've changed my plans, that's all," Peg announced. "Any fellow can do
+that. It's always the privilege of a gentleman to alter his mind. I'd
+like to crow over Frank Haywood and that greenhorn chum of his mighty
+well; but I ain't going to run the chance of being carried down in a
+landslip just for that. Huh! I guess not! What I said, stands, Nick.
+And I hope the old slide comes while those two chaps are on the
+mountain; yes, and gives them a dandy free ride, to boot!"
+
+"Oh! jest as ye say, Peg! I'm willin' to do anythin' to please ye.
+But p'raps we ain't goin' to git off so easy arter all," remarked Nick,
+suggestively.
+
+"Now, what do you mean by hinting in that way? And I've noticed you
+twisting your neck to look up at the sky more'n a few times. Think
+it's going to rain, do you?" demanded Peg.
+
+"Don't _think_ nawthin' 'bout it; I _know_ it be." And, Nick added,
+with emphasis, "I reckons as how it'll be jest a _screamer_ when she
+comes."
+
+"A storm, you mean?"
+
+"A howler. Allers does when the wind backs up that way into the
+sou'east. 'Sides, if so be ye air still sot on findin' out what makes
+that thunder up this ways, p'raps ye'll have the chanct to look into
+the same afore long, Peg."
+
+"Oh! was that what I felt just now?" cried the boy, scrambling to his
+knees. "It seemed to me the old mountain was trembling just like I did
+once, when I had the ague. And Nick, I believe you're more'n half
+right, because I sure heard a low grumble just then, like far-away
+thunder. I wish I hadn't been such a fool as to come up here. Never
+get me doing such a silly thing again as long as I live. Listen! It's
+coming again, Nick, and louder than before. Don't you feel how the
+ground shivers? Perhaps there's going to be a terrible landslip right
+now! Do you think so, Nick?"
+
+Frank and Bob, crouching close by, had also felt that quiver under
+them. It gave the saddle boys a queer feeling. When the solid earth
+moves it always affects human kind and animals in a way to induce fear;
+because of the confidence they put in the stability of the ground.
+
+And then there arose gradually but with increasing force a deep
+terrible rumble.
+
+Thunder Mountain was speaking!
+
+
+
+
+CHAPTER XIV
+
+A CALL FOR HELP
+
+"Oh! what shall we do, Nick?" cried Peg.
+
+His voice was now quivering with fear. Evidently whatever little
+courage the fellow possessed, or the grit which had caused him to start
+upon this mission of attempting to discover the cause of the mystery
+connected with Thunder Mountain, had suddenly disappeared.
+
+"Nawthin' 'cept stick it out, I reckons," replied Nick Jennings.
+
+The superstitious cowboy was more or less anxious, himself. Frank,
+eagerly listening, could tell this from the way in which the fellow
+spoke. But Nick did not mean to fall into a panic. To try and rush
+down the precipitous side of that mountain in the dark would be
+madness. And with all his faults Nick was at least smart enough to
+understand what it meant by "jumping from the frying pan into the fire."
+
+Another roar, louder than any that had yet broken forth, interrupted
+the excited conversation between the son of the mining millionaire and
+his guide. The whole mountain quivered. Bob himself was much
+impressed, and began to wonder more than ever what it could mean.
+
+The noise died away, just as thunder generally does, growing fainter,
+until silence once more brooded over that wonderful mountain. Then
+again the two crouching lads caught the complaining voice of Peg.
+Bully that he was under ordinary conditions, he now showed his true
+colors. That awful sound, coming from the heart of the rocky mountain,
+as it seemed, had terrified Peg.
+
+But Frank was not surprised, for he had all along believed that a
+fellow who could lift his hand to strike a small girl must be a coward
+at heart, no matter how much he might bluster and brag.
+
+"This is terrible, Nick!" exclaimed Peg. "Can't you think of some way
+we might get out of this? Oh! I'd give a thousand dollars right now
+if only I was safe down on the plains again! What a fool I was to come
+here!"
+
+"Well," drawled Nick, possibly with a touch of real envy in his voice,
+"I'd like right smart to 'arn that thousand, sure I would, Peg. But
+hang me if I kin see how it's agoin' to be done. We can't slide down;
+walkin's a risky business, and likely to take hours; an' right now I
+don't feel any wings asproutin' out of my shoulders, even if you do."
+
+"Oh stop joking, Nick, and talk sense," complained Peg. "We've just
+got to do something. Why, the old mountain might take a notion to
+slide, and carry us along with it."
+
+"I sure hopes not, at least right now," replied Nick, uneasily. "But I
+do reckons as how we're agoin' to git that storm afore mornin'."
+
+"But see here, Nick," Peg went on, anxiously; "didn't you notice
+anything when you were leading me up here like a lamb to the slaughter?
+I mean, you ought to have seen whether this side of the old mountain
+was more likely to drop off than any other."
+
+"Ye never kin tell nawthin' about such things," returned the cowboy.
+"Reckons all we kin do is to root around, an' see if we might find some
+sorter cave, where we'd be safe from the rain, if so be she comes arter
+a while."
+
+"A cave!" echoed the other, as though startled. "What under the sun do
+we want to get inside the mountain for? Don't you understand that all
+that noise is coming _out_ of this old thing? I tell you, I believe it
+is a volcano, just as they told me, and perhaps she's going to break
+loose this very night!"
+
+"Hey! what ye a sayin' that for?" demanded Nick. "Supposin' she is
+what ye tell, that ain't any reason the explosion's got to come this
+particular night, is it? She's kept on a growling for a hundred year
+now, an' nawthin's happened. Reckons it ain't agoin' to come off jest
+acause we pilgrims happens to be up here."
+
+"But you said we ought to find a cave, and go in, Nick," continued the
+youth. "Suppose we do, and the sulphur fumes suffocate us? They must
+be just awful inside the mountain. This is a nice pickle for me to get
+into! If I stay out here I'm in danger of being drowned, or swept away
+by a landslide; if I go inside there's all the chance in the world that
+I'll be soaking in poisonous sulphur gas till I keel over. I'm up
+against it good and hard."
+
+"We're all in the same boat, remember, Peg," declared the cowboy.
+
+"But you knew more about this thing than I did, Nick. Why'd you let me
+come? It was all a fool business, and you're most to blame," protested
+Peg.
+
+"Aw! let up on that kind of talk, will ye?" growled the cowboy, who was
+himself losing his respect for his employer, owing to the presence of
+those things which he did not understand, and the nearness of which
+aroused his own fears.
+
+"I will, Nick; only get me out of this hole safe and sound, and I give
+you my word I'll pay you that thousand dollars. But where do you
+suppose Joe can be all this time? Has he run away, or dropped over
+into one of those pits we saw on the way up here? I wish he'd show up.
+Three would be better than two; and perhaps Joe might have a plan for
+us to get out of this."
+
+Again did the low grumbling sound begin again, and silenced the
+conversation between Peg Grant and his cowboy guide, every word of
+which had come distinctly to the ears of the crouching saddle boys near
+by.
+
+The rumble grew rapidly in volume, until once more the whole great
+mountain seemed to tremble. Bob was shivering partly from the
+excitement, and because he felt a touch of alarm.
+
+But he could not help noticing the actions of his chum. When the
+thunderous roar was about at its height Frank had thrown himself flat
+on the ground. Bob could not see what he was doing, but his groping
+hand came in contact with the head of his comrade; and he discovered
+that it rested on the ground, with one ear pressed to the rock.
+
+Frank was listening!
+
+He knew how the ground carried sounds more distinctly than the air, and
+evidently he hoped to discover something concerning the thunder by this
+method of wireless telegraphy.
+
+Then, as the volume of sound gradually decreased, just as a lion's roar
+dies away, Bob discovered that Peg and Nick were undoubtedly moving
+off. He supposed that Nick had made up his mind to hunt for an
+outcropping ledge, or some friendly opening, where he could be
+sheltered from the storm; and as Peg dared not stay alone, he was
+compelled to accompany his guide. The complaining voice of the rich
+man's son could be heard for a minute or so. Then even that ceased.
+
+"They're gone, Frank!" exclaimed Bob.
+
+"Yes, I know it," replied the other, as he arose from his position flat
+on the rocks. "And Peg is badly rattled, too. Say, I always told you
+he lacked real grit, and this proves it. He's scared at that noise.
+Think of him wanting to fly down to the plain! I reckon he's had about
+all of the exploring he wants. It's 'take me back to my daddy!' now
+with Peg."
+
+"Well," remarked Bob, with a sigh, "I don't blame him so very much,
+Frank. I tell you what, that noise is enough to give anybody fits.
+I'm all of a tremble myself, and I'm honest enough to admit it."
+
+"That's all right, Bob," replied his chum, quickly; "but are you ready
+to give the game up here and now?"
+
+"Who, me?" answered the Kentucky boy, instantly; "well, I should say
+not--not by a long sight! No matter what comes, I'm ready to stick it
+out on this line if it takes all summer!"
+
+"Just what I thought," chuckled Frank. "That's what makes all the
+difference between a brave fellow and a coward. Why, to tell you the
+truth, Bob, I'm shaking all over right now myself; but it isn't with
+fear. I'm excited, curious, and worked up; so are you. When you say
+you don't want to back out it tells the story that you're not afraid."
+
+"But it wouldn't make any difference, Frank, seeing that we couldn't
+get away from here, even if we wanted to just now," remarked Bob.
+
+"That's so," returned his chum; "just as Nick said; we're here, and
+we've just got to stick it out, no matter what comes."
+
+"But do you take any stock in what Peg said about an avalanche?" asked
+Bob.
+
+"Mighty little," Frank replied. "This mountain is made up mostly of
+solid rock. That's what makes lots of people believe in the volcano
+idea. A slide would be hard to start here, and it just couldn't carry
+much along with It. Where mountains have sides made up of earth and
+loose rocks, that happens sometimes."
+
+"I'm glad to hear that," remarked the other. "But there comes another
+shake. Whew! feel how she trembles, Frank! Whatever sort of power can
+it be that makes this noise and shivering sensation?"
+
+Frank waited until the convulsion had passed before replying.
+
+"I've got a strong suspicion, Bob," He said, finally; "and it's
+something that came into my mind since _feeling_ the sound, for that's
+the only way I can express it. Now, what does it make you think of,
+most of all?"
+
+"I did think it was thunder," declared Bob; "but now it seems to me the
+only thing I can compare it to is the beating of the terrible billows
+against the coast away up in Maine, when a fierce northeast storm is
+blowing. They seemed to make the rocks quiver just as this does now."
+
+If Frank had intended to reply to this remark he was prevented by
+something unexpected that happened just then. This time it was not the
+furious roar of the unknown force within the mountain that disturbed
+him; but a cry that rang out shrilly.
+
+"Help! Help!"
+
+Bob clutched his companion's arm.
+
+"Something has happened to Peg!" he exclaimed. "Perhaps the guide has
+thrown him over, and he's lost, and scared nearly to death!"
+
+But Frank was more accustomed to reading voices in the open than was
+his chum.
+
+"No, you're wrong there!" he cried, "that's Spanish Joe yelping; and he
+must be in a bad hole to call for his companions. Come on, Bob, we've
+just got to see what we can do to help him. Rascal that he is, he's
+human. Follow me!"
+
+
+
+
+CHAPTER XV
+
+SPANISH JOE DROPS A CLUE
+
+"Where can he be, Frank?" cried Bob, after they had been climbing for
+several minutes up the side of the rough mountain, almost groping their
+way, such was the darkness around them.
+
+"Listen!"
+
+"Help! Nick, this way, quick, or I'll go under!" came a shrill shout,
+only a little way above them.
+
+They started for the spot; but before they had taken half a dozen steps
+once more the thunderous sound was heard; and under them the mountain
+quivered. As the boys were not more than human, it was only natural
+that they should halt until the convulsion had passed. Bob could not
+help clutching a spur of rock as though he feared that something
+dreadful was about to happen.
+
+As the roaring noise began to die out the boys caught the cries of
+Spanish Joe once again. He seemed to be nearly frantic with fear, and
+was calling upon his cowboy crony not to forsake him in his extremity.
+
+"It's going to tumble on me the next shake! Hurry, Nick, or I'm a
+goner!" they heard him pleading.
+
+"Whatever can have happened to him?" asked Bob, awed by the exciting
+incidents by which they seemed to be surrounded.
+
+"I reckon he's caught in some sort of trap, judging from his talk,"
+Frank sent back over his shoulder; for both of them were climbing
+upward as rapidly as the conditions allowed.
+
+It was no wonderful feat for Frank to make straight for the spot where
+the loud voice came from. He had located it; and even when Joe ceased
+calling for a minute or two, Frank was able to continue right on.
+
+Apparently the cowman had heard some sound that told him of their
+coming. That accounted for his silence, since he was listening
+eagerly. And of course he fully expected that it must be Nick Jennings
+hastening to his assistance, perhaps with Peg at his heels. At least
+his words would indicate as much, when he cried again.
+
+"Hurry, boys! There ain't any too much time. This way, right straight
+ahead! Oh! I'm in a hole, I tell ye. Ye ain't stopping, are ye?
+Come on! come on!"
+
+They were now close to where the speaker must be located. Frank was
+already straining his eyes to make out his figure, so as to get some
+idea as to the nature of the new task that confronted them.
+
+He presently could make out some object that squirmed and tugged
+between groans.
+
+Then he knew that his first guess was probably correct. Spanish Joe,
+in making his way along over the rocks, had in some way managed to
+catch his foot in a crack, and was unable to get it out again. Perhaps
+the more he struggled the firmer it became fastened. And, considering
+the surroundings, his fright could hardly be wondered at.
+
+So Frank crept up alongside the prisoner of the rock.
+
+"It's my leg, Nick," cried the man, eagerly. "I can't get it loose and
+I've twisted and pulled till it's near jerked out of the socket. See
+if ye can't do somethin'. Every time she shakes, that rock up there
+just starts to drop down on me! If it comes I'll be smashed."
+
+Frank knew Spanish Joe. The man from across the Rio Grande had worked
+on the Circle Ranch for many months, until he was discharged after
+being caught in the suspicious business of conveying information to the
+cattle rustlers.
+
+"Wait 'till I strike a match, so I can see what things look like,"
+Frank said.
+
+And as the match suddenly flared up the dark-faced Spanish-American
+stared with astonishment into the countenance of the one who had come
+in answer to his frantic calls for assistance.
+
+"You, Senor Frank?" he exclaimed.
+
+"Sure," replied the rancher's son, as he bent over to examine the way
+in which the prisoner's foot had become caught.
+
+Although the match only shone for a few seconds, Frank's quick eyes had
+sized up the situation.
+
+"How is it, Senor Frank; can you get me out, _camerado_?" asked Joe,
+with a quiver in his voice.
+
+Something of a desperado the man might be under ordinary conditions;
+but just then, when facing death, he proved very tame indeed.
+
+"I reckon I can, Joe, if that tottering rock up there only holds off
+long enough. Let's hope it will. Now, do just what I tell you; and
+when I say pull, again, get busy for all you're worth!"
+
+While Frank was talking he had been manipulating the foot of the
+Mexican, who had worked so long on American ranches that he had lost
+much of his national ways, though retaining a few of the
+characteristics of dress that always distinguish his kind.
+
+Frank himself was not wasting time. He did not like the looks of that
+over-hanging rock any too well. It seemed to be about ready to crash
+down, and when it did come the result would be disastrous to anything
+human caught underneath; for it surely weighed many tons.
+
+"Now, draw easily at first, and then increase gradually," Frank said.
+"I'll hold onto the foot, and keep it in this position. I think that's
+the way it first slipped into the crack!"
+
+Spanish Joe eagerly obeyed. He groaned several times as he felt his
+leg hurt, but desperation lent him new determination; for if this
+attempt failed, as others had done, he believed that he was doomed.
+
+Suddenly the foot came free. Joe fell over on the ground, but his last
+groan turned into a cry of delight. It was almost comical to see how
+quickly he rolled over several times, so as to get away from the danger
+zone.
+
+Frank, turning, clutched his companion, and also drew him back. It was
+none too soon, it seemed. As if the release of Spanish Joe might have
+been the signal for the groaning mountain to once again take up its
+strange action, they felt the quiver with which all the performances.
+seemed to begin. Then the grumble commenced, rapidly advancing into a
+fearful stage, until Bob could feel himself trembling violently because
+the rocks under him were moving.
+
+"There she comes!" cried Frank.
+
+His words were drowned in a deafening crash close by. Had Peg Grant
+been there he must have believed that the top of the mountain had blown
+off, and that fire and boiling lava would immediately begin to pour
+down the sides. But Bob had not forgotten about that swaying rock.
+And he understood that it had fallen with a crash just at the spot
+where the three of them stood a minute before.
+
+"What a narrow escape!" exclaimed Frank, after the clamor had in some
+measure died away again.
+
+"Oh! I should say it was," echoed Bob, feeling quite weak as he
+realized what must have happened to them had they not gotten away in
+time.
+
+"How about your leg, Joe; can you walk?" asked Frank, turning to the
+cowman, who was scrambling to his feet close by.
+
+"Seems like I can, Senor Frank. But it was a close call for Spanish
+Joe. Only for you coming, where would I be right now? Let us get away
+from here!" exclaimed the man, limping around as he tried his crippled
+limb.
+
+"You are free to go, if you want, Joe," remarked Frank; "but Bob and
+myself mean to stick it out. We came here to learn the cause of all
+this racket, and we'll do it, or know the reason why."
+
+"Excuse me, _companero_, I know when I have had enough. This mountain
+is surely bewitched. There must be an evil spirit living inside. Do I
+not know it? And even the door is guarded by demons that spring at a
+man and tear him. My clothes, once so handsome, Senors, are torn into
+tatters, just because Joe, he was fool enough to step into that black
+opening above!"
+
+Frank started as he heard the Mexican say this. It seemed to him that
+possibly here was a clue worth following up.
+
+"Tell us what you mean, Joe," he asked, quickly. "What black opening
+did you try to enter; and what happened to you, _amigo_? We have done
+you a service, saved your life, perhaps. In return, tell us this."
+
+"It is little enough, Senor Frank. Up above, not more than seventy
+feet from here, lies a hole in the ground. I was looking for shelter
+from the storm, because Senor Peg wished it. I entered. Hardly had I
+taken ten steps than something flew at me. I think it was a demon, for
+it had sharp claws, and I thought I could smell brimstone and sulphur.
+Just then the mountain yawned, and what with the terrible noise, and
+having to fight off that unseen enemy, I climbed out of there fast, but
+with all my fine clothes ruined. That was why I came down the side of
+the mountain in such haste that I caught my foot. I thought that fury
+was chasing me. Nothing in this wide world could tempt Spanish Joe to
+go back there. The storm, it is a joke besides that terror of the
+darkness!"
+
+If he expected to alarm Frank, the Mexican cowman mistook the character
+of the boy. Frank believed that the fellow's fears had made him
+imagine more than half of what he declared had happened to him.
+
+"Well, we leave you here, then, Joe," the boy remarked, sturdily;
+"because we're going to find that cave, and see what lies inside it.
+If you want to come along, all right; if not _adios_!"
+
+He turned and started to climb, Bob tagging at his heels. But Spanish
+Joe could not bring himself to accept the invitation. He looked after
+the disappearing figures of the two saddle boys, and shook his head.
+
+"No, not for Joe," he muttered. "He knows when he has had enough.
+Money could not drive him to enter there again, and meet that unseen
+thing. Out here the danger can be understood, but Joe he takes off his
+hat to the young Senors; for grit they surely possess. _Adios_, Senor
+Frank; but I doubt much whether we ever meet again."
+
+But staunch of heart, Frank was leading the way upward, determined to
+accept of the challenge which the cowboy's due seemed to throw at his
+feet.
+
+
+
+
+CHAPTER XVI
+
+THE VENT HOLE IN THE WALL
+
+The way grew rougher with every yard they traversed. How Spanish Joe
+had come dashing down over this ground at headlong speed without
+breaking his neck was a puzzle.
+
+Frank was feeling his way along carefully when he heard Bob call his
+name. The rattle of falling shale at the same time gave him a pretty
+strong suspicion as to what had happened.
+
+"Hello! what's the matter Bob?" he cried.
+
+"I slipped, and fell over the edge of some sort of place here," came
+back the answer. "Luckily I've managed to get hold of a rock and
+stopped my tumble. But don't waste any time lending me a hand, Frank,
+because it seems to me I feel the thing move. If another quake comes
+it'll let me drop; and perhaps the ground may be a full dozen feet
+below."
+
+By this time Frank had reached the edge of the drop. He remembered
+skirting it in climbing upward just a minute before; but had been more
+successful about doing so than Bob, who was less accustomed to this
+kind of work.
+
+Frank again had recourse to his handy match-safe. Leaning over he
+struck a match on the face of the rock. Immediately he drew a quick
+breath. It was not because he could see the face of his chum only a
+couple of feet away, as the latter clung to a spur of rocks; it was
+something else that thrilled him.
+
+As far down as his eyes could see there was only a black void! Instead
+of the simple dozen feet mentioned by Bob, the yawning precipice
+extended perhaps a full hundred feet downward!
+
+But there was no need of telling Bob that it might alarm the boy and
+cause him to weaken, so that his grip would give way.
+
+Frank was quick to understand what must be done. He could just touch
+the hand of his chum by bending far down; but that was not enough.
+Instantly he wrapped one leg about a sturdy, if dwarfed, little cedar
+that chanced to grow at that very spot, as if designed for the very
+purpose to which he was putting it. Then he was able to thrust himself
+still further down the face of the wall.
+
+"Take hold, and grip like iron, Bob," he managed to say.
+
+He felt the other obeying him, and thus they caught hold of hands.
+
+"Now, try and dig your toes into the face of the wall if you can,"
+Frank went on, calmly, so far as Bob could know. "It'll help me get
+you up. Climb over me. I've got a leg around a cedar, and nothing can
+break away. Now!"
+
+"Say, perhaps you'd better let me drop down." said Bob, thinking his
+comrade was going to unnecessary trouble in order to save him from a
+little jolt.
+
+"Climb, I tell you!" snapped Frank.
+
+"Oh! all right, Frank, if you say so," and Bob started to obey.
+
+Fortunately he was an agile lad, and a very fair climber, for the task
+which he had set himself was no ordinary one. But, by wriggling more
+or less, Bob managed to finally get a grip on the cedar. After that it
+was easy work; and having succeeded in reaching solid ground himself,
+he aided the almost exhausted Frank to draw back.
+
+"Whew! that was some work, now, and all because I was so silly as to
+slip over the edge of that little hole!" remarked Bob, as though
+disgusted with himself.
+
+"Look here," said his chum; "lean over carefully, while I drop this
+match down."
+
+As he struck the match, and then cast it from him it went downward
+twenty, thirty, forty feet before it was extinguished.
+
+"Ugh!" shuddered Bob, "why, it must be all of a thousand feet down to
+the bottom, Frank! It scares me just to think of the narrow escape I
+had."
+
+"Well, I reckon it's all of one hundred feet," replied Frank; "and
+that's enough to settle a fellow. But let's lie back here, and get our
+breath a bit before going on up. The cave can't be far off now, if
+what Joe said is so."
+
+Both of the boys were panting after their unusual exertion, and Bob was
+glad of a chance to rest for even a brief time. Besides, another burst
+of thunder was starting in, and he fancied that it was louder than any
+that had gone before; just as if they might be drawing closer to the
+place from whence all this clamor came.
+
+The cave that Spanish Joe had found and entered--could it have anything
+to do with the mystery of the mountain? Frank seemed to think so, and
+was bent upon ascertaining the facts.
+
+"Listen to that, Frank?" shouted the Kentucky lad in the ear of his
+mate, while the racket was at its height. "I can hear rocks dropping
+all around, just like the one did where Joe was grabbed by the leg. Do
+you think this always happens when the old mountain breaks loose; or is
+this an extra big celebration?"
+
+"I was trying to get that myself, Bob," admitted Frank; "but we can
+only guess at it, because you see, nobody's ever been up here when the
+thunder was rocking the whole range, and so we don't know. But,
+honest, now, I'm of the opinion this happens only once in a great
+while; else the mountain would have been racked to pieces long ago."
+
+"And just to think, we had the nerve to come here at a time when it was
+bound to do its worst," said Bob.
+
+"Glad of it," Frank immediately returned. "It gives us a better chance
+to learn a few things worth while. I always did like to be in where
+the roping was fastest. Are you feeling better, Bob?"
+
+"Oh! yes, I reckon I'm all right now," returned the other, rising.
+
+"Ready to go on, then?" continued Frank.
+
+"Try me, that's all. If I turn tail and run, don't ever speak to me
+again," came the steady, but not boastful, answer.
+
+"Good boy! All right, let's be off again; and be mighty careful how
+you move. There may be more of those drops lying around loose. And
+next time you mightn't be so lucky about grabbing a spur of rock."
+
+"That's so, Frank. Wow! but it makes me shiver to even think of it.
+Talk about Joe's narrow squeak, it wasn't any worse than mine," and Bob
+started to crawl after his better-trained chum.
+
+Two more evidences came to them of the violence of the unseen force
+that was making Thunder Mountain shake, before Frank stopped to let his
+chum reach his side, so that he might exchange a few sentences.
+
+"Looks like that might be the hole ahead," he ventured.
+
+"I can see something that seems blacker than the night itself; is that
+what you mean, Frank?" asked Bob.
+
+"Yes," his chum continued. "When Joe pointed up this way I took note
+of just the line, and followed it closely. That was why we came so
+near the precipice. And if that is the opening to the cave, we want to
+lie here and listen."
+
+"Why, do you really believe the racket comes out of that hole?"
+demanded Bob, astonished at the very idea of such a thing.
+
+"Wait and see," replied the other, confidently. "In the meantime,
+here's our opportunity to pick up a few candles that will come in
+handy."
+
+They had come to a halt directly under a tree; and Bob had already
+discovered that the ground was thickly strewn with broken branches.
+Some of these were apt to be fat with the inflammable gum that exudes
+from certain species of cedar, and would, as Frank said, make splendid
+torches.
+
+Frank was already on his hands and knees searching for suitable ones;
+and as Bob grasped the idea he, too, set to work.
+
+"I have four already; how do you stand?" asked Frank, presently.
+
+"Just as many--no, here's the fifth one, and the best of the lot," came
+the reply from the Kentucky lad, who went into everything with ardor
+and enthusiasm.
+
+"That ought to do for us," Frank went on. "And now, listen for all
+you're worth, because the war is on again!"
+
+Lying there, Bob heard what seemed to be the first signal. It was as
+though some giant hand had tapped the solid rock with his club. Then
+faster came the blows, and more and more did the din increase, until it
+was fairly deafening. Only for his intense eagerness to hear every
+sound Bob might have been tempted to thrust his fingers into his ears
+in order to shut out the awful clamor.
+
+To him it seemed as though a thousand anvils were being beaten in
+chorus, with a few other minor chords thrown in for good measure.
+
+And what interested Bob most of all, as he crouched there listening,
+was the fact that all this dreadful noise seemed to be coming directly
+from the spot where his comrade had pointed out as the opening of a
+cave.
+
+There was not the faintest trace of lightning accompanying the
+manifestation; and this proved, beyond all question of dispute, that
+the mystery connected with Thunder Mountain had nothing to do with an
+electrical storm. Possibly the observing Indians had many years ago
+discovered this same thing; and it had strengthened their belief that
+the great Manitou spoke to his red children through the voice of the
+wonderful mountain.
+
+It took longer, this time, for the noise to die away; just as though,
+whatever its cause, there was increasing reluctance to subside again.
+
+"That was a screamer, sure enough!" said Frank, when he could make
+himself heard above the declining roar.
+
+"And Bob, you noticed, didn't you, that it seemed to come right out of
+that hole? All right, it begins to look now as if we were Johnny on
+the spot, if we've got the nerve to push things. Somewhere in there,
+Bob, lies the explanation of the mystery. Do we take the dare; or stay
+out here and wait till the fuss is over before entering?"
+
+Bob possibly swallowed hard before replying. It was no easy thing for
+him to say the words that would thrust them up against so terrible a
+thing as this unknown peril awaiting them in the gloom of that crack of
+the great mountain. But his hesitation was brief. In fact, he only
+wanted to catch his breath, shut his teeth hard together, and summon
+his Kentucky blood.
+
+"It's a go, Frank!" he said, with determination in his voice; "the
+chance may never come to us again. Let's go in, and discover for
+ourselves the secrets of the Indian god they say is guarding Thunder
+Mountain. I'm ready, so lead on!"
+
+
+
+
+CHAPTER XVII
+
+FRANK HOLDS THE HOT STICK
+
+"No hurry," said Frank, who realized that his comrade was worked up to
+a high pitch of excitement, and thought it the part of wisdom to do
+something in order to quiet Bob's nerves.
+
+"But if we've got to try it, Frank, what's the use of waiting?"
+demanded the impetuous one.
+
+"Well, for one thing, we don't want to be carrying these candles
+without making use of one, you see," replied Frank, who was again
+getting out his handy matchsafe.
+
+"What a silly I am, to be sure," laughed Bob; "why of course we want a
+light, if we're going to invade that den of the demon Joe told us
+about. What do you think about that yarn, Frank; did he meet up with
+anything; or was he just scared out of his seven senses? Perhaps
+there's a strong current of air in that place, along with the noise,
+and that took hold of Joe."
+
+"Well, I wouldn't like to say," replied the other, cautiously. "This I
+do know, and I saw it with my own eyes. Joe's fancy Mexican jacket was
+torn nearly into ribbons; and I could see marks of blood, too."
+
+"Whew! you don't say?" ejaculated Bob. "Then something _did_ get hold
+of him; didn't it, Frank?"
+
+"Looked like it," admitted the other.
+
+"His jacket was torn into ribbons, you said--then I reckon whatever
+tackled Joe had pretty sharp claws, Frank!" Bob continued.
+
+"I thought as much myself. In other words, Bob, the man was attacked
+by some wild beast that has its den in yonder. In the dark, with all
+that terrible noise going on, Joe thought it was a monster from the
+underworld. If he keeps on telling that story, ten to one, after a
+while, he'll vow it had eyes of fire, and a tongue of blue flame. Joe
+was frightened half to death, and a man in that condition gets to
+seeing things that never did exist. Now, how's that?"
+
+While speaking Frank had managed to light one of the cedar torches he
+carried. The wood burned readily, and with persistence. It would make
+a good substitute for a lantern. Indeed, Bob was enthusiastic over the
+success attending his chum's effort.
+
+"Couldn't be beat, that's what!" he cried.
+
+"Well, there's nothing to keep us now," declared Frank.
+
+"But what can I do?" asked the other. "Want me to light a torch too,
+Frank?"
+
+"No, one ought to be enough. You fall in just behind me, and Bob,
+perhaps you'd better keep your gun handy."
+
+"Oh! you're thinking now of that demon Joe told about, eh, Frank?"
+
+"Perhaps. If it jumps out at us give a center shot, if you can," the
+saddle boy advised, as he led the way forward toward the black spot
+which they had guessed must be the cave entrance spoken of by Spanish
+Joe.
+
+They were quickly at the wall, and had no difficulty in learning that,
+just as they had guessed, the yawning hole was there. Frank, without
+the slightest hesitation, stepped through the opening. Bob did
+likewise, holding his gun in readiness for immediate use.
+
+The light of the blazing torch lighted up the interior. They could see
+that, so far, there was nothing remarkable about the cave, save that it
+seemed to stretch away into dim distance, with various twists and
+curves.
+
+"What are you sniffing about, Frank?" demanded Bob, who, in the
+silence, heard what his comrade was doing.
+
+"I think I scent something, that's all," replied the other.
+
+"Not brimstone and sulphur, I hope?" cried Bob.
+
+"Well, hardly," chuckled the other. "In fact, it seemed to me that it
+was only such an odor as you can always detect around the den of a wild
+beast!"
+
+"Glory! then Joe didn't dream it, after all; and there may be an old
+grizzly in this cave!" ejaculated Bob.
+
+"Not a grizzly," declared Frank, quickly. "If anything, I think it
+must be a panther. But he may have left after attacking Joe, so that
+we'll have no trouble with the beast."
+
+"I hope so," Bob remarked, as he strove to look seven ways at once,
+keeping his finger on the trigger of his repeating rifle all the while.
+
+They were now advancing into the cave.
+
+"Do you think Joe had a torch?" asked Bob, as a new idea came to him.
+
+"Well, he isn't the man to take chances, and he couldn't help but see
+the good torch material at the door yonder. But the beast may have
+jumped on his back, so he lost his torch before he could see. And then
+he fought in the dark. Joe has always been known as a hard fighter,
+and with his knife I reckon he could give a good account of himself.
+Hello! see here!"
+
+Bob started when his chum gave this sudden exclamation.
+
+"Oh! I thought you had sighted the panther!" he gasped as he lowered
+the gun, which had, perhaps through mere instinct, gone up to his
+shoulder.
+
+Frank was bending down. He held his torch in such a fashion that he
+could see better; and he appeared to be examining something on the rock.
+
+"What is it?" asked Bob, eagerly; "footprints?"
+
+"No, just a little spot of blood," came the reply.
+
+"Fresh, too, I can see," declared the tenderfoot, as he looked. "Does
+that mean this is the exact place where Joe had his little circus,
+Frank?"
+
+"I reckon it is," replied the other.
+
+"Then if that beast hasn't cleared out we might run across him before
+long!" remarked Bob.
+
+"Oh!"
+
+Frank gave utterance to this cry. He had seen some object flash
+through the air, and knew it could be nothing else than the lithe body
+of a panther making a leap.
+
+The animal must have had a place of hiding close by, from which it had
+probably jumped upon the shoulders of Spanish Joe, and now sought to
+repeat that act.
+
+Bob was struck by the descending body of the animal; and while he did
+not suffer serious injury from the blow, it jarred his arm, and caused
+him to drop his rifle. He instantly leaped forward to recover the
+weapon, but through chance picked it up by the end of the barrel.
+
+The panther had recovered, and was crouching as though to repeat its
+jump. Only a yard lay between the fierce beast and the boy who held
+the gun. Perhaps a veteran hunter would have proceeded to reverse the
+weapon, and discharge it without taking the trouble to throw the stock
+to his shoulder. But Bob did not dream that he would be given enough
+time for all this.
+
+He saw the beast there close to him, and his first thought was to poke
+the butt of the rifle directly at its head, striking with all his
+force. The blow landed heavily, but as the beast gave way, Bob lost
+his balance, and fell directly toward the panther.
+
+It looked as though the boy might be in for a terrible clawing, and so
+it must have turned out had he been alone. But he had a comrade close
+at hand who did not hesitate an instant about taking part in the affair.
+
+Frank could not get at his gun, which was slung across his back; but he
+knew he had a better weapon than that in hand. Wild animals dread fire
+above all things; and every lad brought up on the prairie knows this
+fact.
+
+Suddenly Frank brought down his torch upon the beast with all the force
+he was capable of using. There was a snarl and the animal jumped
+aside, evidently not fancying the closeness of the stick that burned.
+The lad again raised his torch, but evidently the panther had already
+endured quite enough of the conflict. It was bad enough fighting two
+human beings at a time; but when one of them persisted in belaboring
+him with such a hot weapon he drew the line.
+
+And so with a parting snarl, that was full of defiance and venom, the
+panther sprang back out of sight, departing just as silently as he had
+come.
+
+"That's just like the luck," grumbled Bob.
+
+"What's the matter now?" asked Frank, looking sharply to make sure that
+the treacherous beast did not sneak back in order to attack them from
+another quarter.
+
+"Why, I'd just got my gun slewed around, and was ready to fire when he
+skipped out. I'd liked to have bagged him, I reckon. A grizzly and a
+panther, all on one trip, would be worth talking about."
+
+"Oh! I don't know that you'd have been so very proud over it,"
+observed Frank.
+
+Bob looked at him as he said this.
+
+"Now, you've got some reason for making such a remark as that," he
+observed.
+
+"Perhaps I have," answered his chum, nodding wisely.
+
+"Then out with it, Frank, and don't keep me wondering. Besides, I
+reckon that we'll have another bellow from the old mountain at any time
+now."
+
+"I guess you didn't notice something queer about that animal, then,
+Bob?"
+
+"About the panther, you mean?" came the reply. "Well, to tell the
+honest truth I was knocked all in a heap when I missed hitting him, and
+didn't have time to bother looking at him close enough to see anything.
+But what was so funny about him, Frank? Did he have only one eye; or
+was he three-legged?"
+
+"Oh! nothing of that sort," declared the other; "so far as I know he is
+in possession of all his members. It was about his neck."
+
+"What about it? Did he have a rubber neck, you mean?" demanded Bob,
+trying to be a little humorous so as to conceal the fact of his
+excitement.
+
+"The beast had a collar on!" Frank remarked, positively; "and that
+means he must be the pet of somebody who has a hiding place in this
+cave!"
+
+
+
+
+CHAPTER XVIII
+
+A GUESS THAT HIT THE BULLSEYE
+
+As Frank made this astonishing declaration his chum looked blankly at
+him, the information having evidently surprised him not a little.
+
+"A tame panther, you mean, Frank?" he exclaimed, weakly.
+
+"That's just what I'm hinting at," replied the other, positively.
+
+"With a collar around his neck, too?" murmured Bob.
+
+"Yes. I saw it as plain as I see you now," Frank went on. "It was
+when I jumped forward, and gave him the first crack that made him fall
+away in a hurry. A collar that was broad and stout. Why, Bob, when he
+threw back his head to avoid punishment I could even see where a chain
+could be fastened, and the animal kept in confinement."
+
+"Whew! but he acted like a wild one, all right," protested Bob.
+
+"He sure did, Bob; but that was because he had already been stirred up
+by the fight with Spanish Joe. I reckon the cowboy must have give him
+a few jabs with that handy knife he owns. Anyhow, the panther was
+spoiling for a scrap, and didn't care a cent how many there were."
+
+"That was before you gave him his finish with that fire-stick, Frank.
+Didn't that knock the old chap silly, though? Why, it took all the
+fight out of him, for a fact. He was the tame panther all right when
+he ran away, with his tail between his legs. Think he'll tackle us
+again?"
+
+"No telling; but I don't believe the beast cares much for running
+against my torch again. It might pay for both of us, though, to keep
+on the watch," Frank replied, always on the side of caution.
+
+"But I say, Frank, is the fact that he's private property going to make
+any difference; that is, do I shoot straight if I get the chance again?"
+
+"Well, I say yes," answered the other. "Given half a chance and he'd
+maul us the worst way. No matter who's property he may be, I'd advise
+him to keep clear of Haywood and Archer. They're marked,
+dangerous--hands and claws off, but come along, Bob; let's be moving."
+
+"Wait, there it comes again, Frank. Don't you think we'd better lie
+down till the worst is over?" ventured Bob, as he caught the opening
+notes of the mighty anvil chorus that would soon be in full blast.
+
+"Well, now, perhaps that wouldn't be a bad idea, Bob. Suppose we do
+stretch out here, you facing one way and I another."
+
+The two crouched there. Frank had thrust the torch into a crevice, for
+he wanted the use of both hands in gripping his rifle. If the wild
+beast guardian of the cave tried to attack them again, he felt that he
+would like to be in a position to shoot.
+
+"Feel the wind, will you?" called Bob, as the sounds mounted higher and
+higher.
+
+"I'm afraid our torch is going to be blown out," Frank replied,
+pointing to the flaring light, which was being hard pressed by the
+suction that seemed to rush through the cave, heading always toward the
+mouth.
+
+"Say, Frank, the air feels wet!" shouted Bob, while the racket was at
+its height.
+
+Of course this was no special news to Frank. He, too, had noticed the
+same thing, and mentally commented on it. And as it was in line with
+certain suspicions which he already entertained, he had felt amply
+repaid for taking such hazards in plunging into that black cave.
+
+Then suddenly an extra strong blast put the torch out.
+
+"Wow! there she goes, Frank! What will we do now?" yelled Bob, of
+course feeling a new uneasiness because of the intense darkness, the
+presence of an angry animal near by, and the general air of mystery
+that hung over the scene.
+
+"Nothing. Just wait till the storm blows by; and then we'll light up
+again," was what Frank shouted back at him.
+
+Already it was diminishing. Like the receding waves of the great ocean
+the uproar died down, growing fainter with each pulsation.
+
+And finally there came again the silence that in one way was almost as
+dreadful as the clamor; during which Frank proceeded to light the torch
+again, though not without some difficulty.
+
+"Frank, you felt that wet sensation, like fine spray, didn't you?"
+demanded Bob, as soon as he could speak with comfort. "Why, touch your
+face right now; and you'll find it moist. Whatever can it mean?"
+
+"I think I know," Frank said, slowly. "I suspected it before, and this
+seems to make it look more than ever that way."
+
+"Do you mean that you've guessed what makes all that frightful noise?"
+asked Bob, astonished.
+
+"I believe I have," came the reply.
+
+"And it has to do with this misty feeling in the air; has it?"
+continued the Kentucky boy.
+
+"If my idea proves the right one, and I'm bound to find out before I go
+away from this place, it's got everything to do with it, Bob."
+
+"Where there's smoke you'll find fire; and where there's mist I reckon
+water can be looked for," remarked Bob, quickly.
+
+"Just so. Now Bob, have you ever been up in the Yellowstone Park
+region?"
+
+"I can't say that I have, Frank."
+
+"Then you see I've got the advantage over you; and that's what gave me
+a point in the game. Because I've stood and watched Old Faithful and
+the other great geysers play every half hour or so," Frank went on, as
+they slowly advanced into the passage which seemed possibly to act as
+one of many funnels through which the tremendous roaring sound was
+carried to the outside world.
+
+"Geysers!" cried Bob. "Oh! now I get onto what you mean. You think,
+then, that in the heart of Thunder Mountain a giant geyser spouts every
+once in a while; and that as the water is dashed against the rocky
+walls it makes the ground shake. Is that it, Frank?"
+
+"Yes," replied the other, "and the noise is so like thunder that when
+it is forced out through several queer, funnel-shaped openings like
+this one, it has puzzled the Indians for hundreds of years. Bob, more
+than that, I believe that every once in so many years, when an extra
+convulsion shakes things up here, the water bursts out through some
+passage, and rushes down that _barranca_ in a wave perhaps twenty feet
+high."
+
+"But they call it a cloud burst, Frank," suggested Bob.
+
+"I know they do, but still I stick to my idea," Frank went on.
+
+"And this promises to be an extra strong outburst. Nick said so
+anyhow; didn't he, Frank?" Bob queried, a new anxiety in his tone.
+
+"Just what he did. You're wondering now, that if what I said is true,
+whether this passage right here is one of those through which all that
+water dashes, on its way to the rocky _barranca_?"
+
+"Yes, that's the truth. How about it? Could you see any signs here to
+tell about that?"
+
+"I suppose I could if they were here, but I don't discover any.
+Besides, I thought of that before we entered, and I give you my word
+that I don't believe any big volume of water ever went out through
+here. It couldn't do it and not leave some sign behind."
+
+Bob heaved a big sigh.
+
+"Well, I'm right glad to hear you say that, Frank, seeing that we're so
+far in now, we wouldn't have any chance to escape if it came along.
+Whew! I wouldn't like being carried through here, and shot out of the
+muzzle like a bullet. But seems to me the place is getting bigger
+right along, Frank."
+
+"Just what it is. Now you can see how like the neck of a bottle the
+cave is; and I think that has had a heap to do with the way that
+thunder noise gets loose. Why, they say that some days, or nights, it
+can be heard more than twelve miles away. I've seen Navajo Injuns drop
+flat on their faces, and lie there all the time we could hear the
+distant thunder in a clear sky over our way."
+
+"But is it possible that some hermit is living in this cave?" asked
+Bob, thinking that it must be a queer sort of person who would remain
+where he must listen to such fearful sounds every once in a while.
+
+"I told you to notice when we heard the noise the first time," Frank
+went on; "while we were in camp on the plain, that the night was clear,
+and the wind almost in the Southeast. Well, I made sure that it was in
+exactly the same quarter tonight when we were climbing the mountain.
+That means something, Bob."
+
+"To you; but to me it's only a blank," admitted the tenderfoot,
+regretfully.
+
+"I fancy that the direction of the wind has something to do with the
+working of this queer old geyser in the heart of Thunder Mountain. It
+only rears up when the wind is in the Southeast, as it is now. But
+say, you said something about a hermit just now?"
+
+"I only said I thought it strange a fellow could live here through all
+the racket, year in and year out, just to get away from his kind," Bob
+remarked.
+
+At that Frank laughed.
+
+"But what if he had a big object in it, Bob? What if some daring
+prospector, taking his life in his hands, had plunged into one of these
+caves of the winds, this one right here, for instance, and struck it
+rich. Gold will make men do nearly anything. I've seen 'em go crazy
+over finding a nugget, or yellow sand in their pan. Don't you see what
+I mean, Bob? Have you forgotten little Lopez, and how frightened he
+looked when we spoke about keeping him company?"
+
+Bob uttered a cry that might stand for either astonishment or delight,
+perhaps both.
+
+"Frank, it just takes you to see through the mill stone, even if it
+hasn't got any hole in it," he declared. "I understand what you mean
+now. Little Lopez has been coming here for a year or more, always
+bringing supplies. Perhaps he carries away the gold dust the miner has
+gathered in that time, and no one the wiser. It has all been a dead
+secret. And the terror of the Indians for this haunted mountain, as
+well as the way the cowboys leave it alone, has helped this bold miner.
+Frank, your shot hit the bull's eye, and who knows but what we may be
+on the way to find out the truth right now?"
+
+
+
+
+CHAPTER XIX
+
+THE WORKING OF THE GOLD LODE
+
+"Now you know what I think, Bob; but after all I may be on the wrong
+track," said Frank, after his companion had expressed himself so freely.
+
+"Of course," Bob went on saying; "but all the same I don't think you
+are. After you've shown me, it's just like that egg Columbus stood up
+on end, after cracking the shell a bit--as easy as jumping off a log,
+once you know how. But now we're in here, I hope we find out the truth
+soon, don't you, Frank?"
+
+"Honest now, Bob, I don't care how quick it comes," replied his chum,
+frankly.
+
+"This is a terrible place, with panthers hanging around, and that
+thunder banging to beat the band every minute or so. I'm only
+wondering, Frank, what would become of us if that old geyser should
+take a notion to explode suddenly, and flush every avenue out of the
+heart of the mountain."
+
+"Don't mention it, please," Frank answered, with a shrug of his
+shoulders. "If such a thing happened we wouldn't know what hurt us,
+I'm afraid."
+
+"Huh! some consolation in that, anyhow," grunted Bob. "If a fellow has
+to go up against the buzz-saw, the sooner it's over the better."
+
+"But nothing of the kind is going to happen," Frank insisted; "and you
+want to get the idea clean out of your head. We're making fine
+progress, and any minute, now, I expect we'll run across the party who
+occupies this cave."
+
+"But every time the blowout comes, away goes our light; and another
+spouting is about due now, I reckon," ventured Bob.
+
+"I've got an idea I may be able to save the torch," Frank remarked. "I
+don't know just how it's going to work; but anyhow the thing's worth
+trying."
+
+"Then here comes your chance," his chum called.
+
+As before, the grumbling began with an earth tremor. It was as though
+some giant, whose mighty limbs were shackled, was trying to break
+loose; and in so doing made things near him tremble.
+
+Rapidly the noise increased, until it became terrifying. Bob had
+dropped flat, and cowered there, almost holding his breath with awe.
+Not so Frank, in whose care was the burning torch.
+
+He had whipped off his coat at the first sign of the disturbance. This
+he hastily arranged so as to partially protect the burning brand. Of
+course in such a violent draught the suction was enough to make the
+flame flare and flicker until at one time Frank feared it could not
+stand the struggle. But just as he was ready to give up the attempt,
+the furious wind seemed to slacken.
+
+Bob raised his head to see the torch still burning, and it soon
+recovered its full capacity for illumination.
+
+"Bully!" he exclaimed, beginning to rise from his position of hugging
+the rocky floor of the cave; "you did it that time, Frank. But hurry
+up, and get your coat on. Gee! but this air feels chilly in here, and
+damp too!"
+
+Frank had found that out for himself. He was even shivering; and made
+haste to don his jacket.
+
+"Now let's be moving while we have the chance," he said. "I hope that
+before the next rush comes we'll sight what we're looking for."
+
+Perhaps his sharp eyes had discovered certain signs that told him they
+were near the working part of the cave. Men cannot mine a lode of
+precious ore without leaving many traces behind to tell of their
+presence. And the stream of clear water that passed across the place
+seemed to offer a splendid chance for panning any golden treasure that
+might be found in the shape of soft quartz.
+
+Now and again Frank would place the torch behind him. Bob wondered
+what he did this for until he saw his chum bending his head forward as
+though endeavoring to discover what lay ahead. Then he realized that
+the light blinded him while it was before his eyes, and he sought to
+avoid the trouble in this way.
+
+"There's another bend ahead, Bob," Frank remarked, presently.
+
+"Yes?" said the Kentucky lad, eagerly, suspecting what was coming.
+
+"And I can see signs of light at the curve," Frank went on.
+
+"Hurrah! Everything seems to be coming out just as you figured, Frank.
+When I get back to the ranch I'm going to write to the president,
+proposing that he put you in charge of the weather bureau. Every old
+farmer will know then when to look out for storms."
+
+"Well, we may be in for one now," observed Frank, dryly.
+
+"Look here, you mean something by that remark," Bob cried. "Do you
+expect we're going to have a peck of trouble with these miners?"
+
+"I don't know. It all depends on what sort of men they are," Frank
+replied.
+
+"But we wont let 'em drive us out of here until we know all about that
+geyser, if there is such a thing; will we, Frank?"
+
+"Well, I reckon it won't take a great deal of driving to get both of us
+out; but of course I do hope we'll learn something about the real cause
+of all this awful racket. Are you ready to turn the bend, Bob?"
+
+"Sure," and the Kentucky boy ranged alongside his chum, by this
+movement plainly indicating that he did not mean to let Frank take any
+more risk than he himself was ready and willing to assume.
+
+No sooner had the two saddle boys turned the bend in the passage than
+they saw a singular spectacle.
+
+A couple of lanterns were hung from wooden pins driven in the wall.
+These lights, being protected by glass, could safely resist the
+tremendous suction that accompanied each successive convulsion, as the
+rocks trembled, and the air swept through toward the outer exit.
+
+Only two figures were in sight--a man and a boy. In the latter they
+recognized little Lopez, the hero of the adventure with the grizzly;
+and if their suspicions proved true also, the little girl whom Bob had
+rescued from the anger of the bully, Peg Grant.
+
+The man was a rugged specimen, with long, iron-gray hair. Frank
+recognized him as Lemuel Smith, whom he remembered to have met several
+years ago when in a border town with his father.
+
+Smith had always been a rolling stone, a prospector who spent his time
+in hunting new strikes, and who lived year in and year out in the wild
+hope of sometime or other hitting it rich. Frank suddenly remembered
+that Smith had had one daughter, who, he believed, had married a
+Mexican. And that would make the little girl his grand-daughter.
+
+"They're packing up," remarked Frank, whose quick eye had noticed the
+fact.
+
+"Perhaps he's done his work here, and means to vamoose the ranch," Bob
+suggested. "Then again," he added, as another thought raced through
+his brain, "maybe he doesn't altogether like the looks of things, and
+wants to get out of this rat-hole before it all goes to smash. He must
+have been here a long time, and ought to know something about that
+geyser, Frank."
+
+"There, they have discovered us!" the other exclaimed, as he waved his
+torch in what he meant to be a friendly way, and kept on advancing.
+
+"Whew! I just hope he doesn't try to fire on us," muttered Bob, who
+was nervously fingering his rifle, and wondering how dreadful it would
+feel to be compelled, even in self-defense, to shoot at a fellow human
+being.
+
+But the old miner held up both hands. It was the Indian peace sign,
+understood by every savage tribe on the face of the globe.
+
+Quickly the two boys hurried forward, for the first symptoms of another
+burst of thunder and furious wind began to make themselves felt.
+
+This time Frank did not take off any of his outer clothing in order to
+protect the torch. He had noted that the old miner had _two_ lanterns,
+and he expected to borrow one, if necessary.
+
+Of course his torch was snuffed out while the furious blast swept by.
+Bob noted that each successive outbreak tried to beat the record, and
+he was wondering just when the limit of endurance might be reached.
+
+The old miner, after the roar had subsided, offered the two boys his
+hand.
+
+"How are ye, young Haywood?" he asked, recognizing Frank. "I heard
+about what you done for my little gal here, Inez Lopez, whose father
+was once a cowboy on the Circle ranch, and lost his life in a fight
+with some of his countrymen when they quarreled. I'm glad to see you.
+Found a nice little pocket here a year or so back. Kept it on the
+quiet; and the gal, playing the part of a boy, has been fetchin' me
+supplies once in two months, an' takin' away the dust I winnowed.
+Pocket's played out now, but I reckons as how I've got plenty. 'Sides,
+I just don't like the way things is agoin' here. That spoutin' geyser
+that rises up inside the old mountain every once in a while acts like
+it meant to break loose. Never saw it carry on that bad before; and
+we're just ready to cut and run, leavin' most of the truck behind.
+What brings ye here, Frank?"
+
+So Frank had to explain in a few words, while the old miner looked
+admiringly at the boys, and grinned.
+
+"I admire your nerve, young fellers," he declared, at the conclusion of
+the explanation. "And, Frank, ye guessed the true facts, blessed if ye
+didn't! I got onto the same by accident. Fell in through a hole, and
+just had to creep along this passage to the end. Then havin' guessed
+what made the roar, I wondered if so be I could find any stuff in here.
+So I took a lot of wood along, and made my discovery."
+
+"And you say you're bound out now?" asked Frank.
+
+"That's what we are, little Lopez and me; and we can't get to the open
+any too soon, either, to please both of us," Smith replied, shouldering
+his pack.
+
+"Oh! say, Mr. Smith," cried Bob, "have you lost a pet that wears a
+collar?"
+
+"Meanin' my pet painter, Nero, I take it," replied the miner. "I
+raised him up from a cub, and he's as fond of me as my dog. But he's
+gone somewhar. We ain't seen him for hours, and like as not the
+critter knowed it was gettin' dangerous in here. Trust animal sense
+for that. But wait till this next whoop gets by, and then we'll make
+for the door. Here's hopin' we'll all be smart enough to get to the
+open. Bend your backs to the wind, boys; ye wont feel it so much
+then," and all of them carried out his instructions as, with a rapidly
+rising roar, the spouting geyser that played in the heart of Thunder
+Mountain again started to break loose.
+
+
+
+
+CHAPTER XX
+
+TRAPPED IN A CANYON
+
+Once the little party started toward the opening, they made rapid
+progress. The turmoil was at their backs, for one thing. Then, again,
+each time the noise broke forth it seemed so much worse than before,
+that every one felt anxious to get beyond the portal of the cave before
+the climax came.
+
+And when finally this opened before them, Bob drew a long sigh of
+relief.
+
+"Glory!" he burst out. "Maybe I'm not glad we've arrived! But I
+reckon your pet, Nero, has skipped, Mr. Smith, or he would have come
+out when you and the little Lopez passed. Sorry for you; but perhaps
+it's just as well for the rest of us; because you see the fellow might
+have had it in for us."
+
+So they passed into the outer air.
+
+"Seems pretty much the same as when we left," remarked Bob, as he
+stared up at the dark sky against which they could see the rocky crown
+of Thunder Mountain dimly outlined.
+
+"Why, what did you expect?" asked Frank.
+
+"I didn't know but what some of that thunder might be the genuine
+article, and we'd find the rain coming down to beat the band. Glad it
+isn't, because we want to get down from this to where our horses are."
+
+"Little Lopez has our burro and bronco quartered in a small ravine
+where they can't escape," remarked the old miner, as he handed Frank
+the lantern he had been carrying, the girl taking the other.
+
+"But would they be in danger in case of a storm-burst?" asked Bob.
+
+"We counted on that when we arranged the exit by piling up stones,"
+came the ready reply. "There is little danger, for the ravine has high
+banks, where they are able to go in case of hard luck. But now we have
+a tough job ahead, boys. Mind your steps all the time. A slip might
+cost you dear."
+
+"Reckon I know that, Mr. Smith," remarked Bob. "I've had experience,
+you see. And only for the helping hand of my trusty chum here, I'm
+afraid I wouldn't be alive right now. Oh! I'll be careful, I give you
+my word."
+
+And he was, seldom putting a foot forward without first making certain
+how the land lay below, and that the stone he expected to step upon was
+firmly planted.
+
+They were making fair progress when the old miner called out:
+
+"We've reached the parting of the ways, boys. Little Lopez and me have
+to turn to the left here, so as to hit the place whar our animals are
+cached. You keep right on. Wish you the best of luck, Frank. Hope to
+see you some time at my shack. And I tell ye, son, thar's agoin' to be
+a ranch soon, with hosses for the gal, an' an ottermobile for the old
+couple. I struck it rich in this here lode and pocket. So-long, boys!"
+
+He shook hands with each of them, as did also the girl, whose
+astonishing nerve, when facing that terrible grizzly, Bob would never
+forget. Then they separated. And a minute afterward there came
+another of those fearful shocks that seemed to make the very rocks of
+the mountain quiver, as the pent-up force of that great geyser beat
+against its prison walls.
+
+"We must be getting down somewhere near the canyon, aren't we, Frank?"
+asked Bob, after they had been a long while descending the side of the
+rough mountain.
+
+"That's right, we are," replied his chum. "And I've been wondering
+whether we ought to take the chances of going along that _barranca_
+just now."
+
+"It's the shortest way to where we left our horses, I reckon," remarked
+Bob.
+
+"And the only way we happen to know of," Frank went on; "but if that
+flood just happened to break loose while we were between those high
+walls we'd have an experience that would be fierce, let me tell you!"
+
+"But then, it may not come for hours yet?" remonstrated the Kentucky
+boy, who was anxious to be once again in the saddle, and leaving the
+haunted mountain well in the rear.
+
+"Oh! for that matter, it may not come at all," Frank went on.
+"Although Smith did say he really believed that this was going to
+finish the old geyser, which he believed empties into one of those
+queer underground rivers we know are to be found all through the
+Southwest. And Smith ought to know something about it, for he's been
+watching this business a whole year now, from close quarters."
+
+"I'm willing to take the chances, if you are," declared Bob.
+
+Frank was not at all surprised when he heard his chum say this. He
+knew that the Kentucky boy was apt to be rash; and that meant more
+caution on his part, in order to counteract this spirit, that might
+border on recklessness.
+
+A quick decision had to be made, for delay could do them no good. He
+cast one last look up at the dark heavens, as though questioning how
+long they might remain mute.
+
+"All right, we'll risk it, Bob," he declared, suddenly; for even if the
+worst came Frank believed he knew how to avoid a calamity.
+
+"Good for you, Frank!" exclaimed the other; but Bob understood the
+nature of the risk they were taking, and he was not quite so buoyant as
+usual.
+
+The canyon was just below them now, and fortunately there seemed a
+narrow bit of slope down which they might make their way. This they
+did with considerable difficulty. Indeed, Bob was secretly sorry,
+after they had started, that he had urged his companion to take this
+step; but there could be no going back now.
+
+Finally, after several slips, and more or less excitement, they managed
+to gain the bottom of the canyon.
+
+"Say, I don't remember this place any, Frank!" declared Bob, as he
+stared about him as well as he could by the flickering light of the
+lantern which his companion still carried, and which had served them
+well through all their descent.
+
+"For a mighty good reason," replied Frank. "We were never here before."
+
+"But this is the same old turtle crawl, isn't it; the _barranca_ we
+followed up to the time we climbed the slope with our horses?" Bob
+asked.
+
+"It sure is, only a lot farther along, Bob. Notice how the walls tower
+upon each side. I knew something about this, and that was why I held
+back when you wanted to come down here. But let's hurry. We've got to
+make that slope as soon as we can."
+
+"Supposing the thing broke loose before we could find any place to
+climb out?" suggested Bob, looking up again with awe, as he stumbled
+along after his chum, who was already hurrying down the canyon.
+
+"We might try to outrun it first," Frank replied, over his shoulder.
+
+"And if that didn't work, what then?" the other continued.
+
+"Nothing left but to climb the walls, Bob."
+
+"Whew! then perhaps I'd better be keeping an eye out as we go along,
+and see how the land lies?" suggested the boy from Kentucky.
+
+"A good idea, Bob. Just notice where the chances look half-way decent
+for a climb. And remember, at the same time, that the wave may be all
+of thirty feet deep when it sweeps through here."
+
+"You don't say? That would mean some hustling then to get up out of
+reach, Frank."
+
+"I reckon it would. Look out for that nasty rock; it nearly tripped
+me, Bob."
+
+"What was that flash, Frank? Don't tell me it was lightning, real
+lightning, and that the long delayed storm is going to break right now,
+when it's got us cooped up in this hole?"
+
+"It was lightning, all right. There, that proves it!"
+
+Frank's words were drowned in a crash of genuine thunder that made the
+foundations of the mountain shake just as much as the mad efforts of
+the imprisoned geyser had ever done.
+
+"No mistake about that sort of thing," cried Bob, as he stumbled along
+after his chum. "There it comes again, Frank. I guess I'd better be
+picking out a good way up the wall somewhere, for it looks like we'd
+have to climb!"
+
+Frank was doubtless sizing up the situation in his mind. He was also
+listening for some sound which he expected to hear, but which was going
+to prove a very unwelcome one.
+
+"No use going any further, Bob, if so be you've seen anything that
+looks promising here," he declared, when the reverberations of the
+thunder had ceased to echo through the canyon.
+
+"Then you think we're going to get caught here, Frank?" questioned the
+other.
+
+"I'm afraid to take the chances of keeping on any further. It may be a
+long run to the next broken wall, that offers us a chance to climb.
+Some places the sides go up as smooth as glass. Have you see an
+opening here, Bob?"
+
+"Yes, yes, right on the left, Frank!" exclaimed Bob, eagerly. "I
+couldn't see so very far up, but it looks good to me."
+
+Frank turned his gaze up to where his comrade pointed.
+
+"I think it's rough as far as that ledge," he said; "and let us hope
+that will be out of the reach of the water. Come on, Bob; let's see
+how you can climb; but be careful, boy, be mighty careful!"
+
+"Frank, that roaring sound didn't seem like the others we've been
+hearing; d'ye think it means anything has happened?" Bob called, as he
+started to clamber up the rough face of the wall, taking advantage of
+every jutting rock, and showing a nimbleness a mountain goat might
+almost have envied.
+
+"I reckon it does, Bob," replied the other. "Get along as fast as you
+can with all caution."
+
+"Has the cloudburst arrived?" demanded Bob, who was already ten feet
+from the floor of the canyon.
+
+"Either that, or else with that last shock the geyser burst its bonds,
+and the flood Smith expected is rushing out from all the passages into
+this same channel! Perhaps both things have happened at the same
+time," Frank replied.
+
+"Wow! then we'd better be climbing some, I reckon, if that's the case!"
+cried the Kentucky boy, as he increased his efforts to ascend to the
+ledge.
+
+
+
+
+CHAPTER XXI
+
+A CLOSE CALL
+
+"It's sure coming down on us, Frank!" cried Bob, shortly, as he caught
+a strange mixture of terrifying sounds.
+
+"Climb!" shouted back the other; for he knew they would have about all
+they could do to reach the shelf of rock before the mighty wave swept
+through that narrow channel between the high walls of the canyon, with
+a force utterly irresistible.
+
+Bob was doing his best. He realized that the ledge was just above his
+head now, and also how necessary it was that they reach it before the
+rushing flood arrived to fill the gap.
+
+Now his eager fingers clutched the edge, and he strove to pull himself
+up higher. But his breath was exhausted from his violent efforts, and
+the excitement attending the occasion.
+
+Bob realized that the torrent was very close at hand. Its roar dinned
+in his ears so that he could hear nothing else. The rocks seemed to be
+quivering under the impact of the released forces. He felt a cold
+shiver pass over him as he was seized with a dreadful fear that the
+rock to which he clung was giving way.
+
+Then something seized him by the back of the neck, and Bob found
+himself being helped up to a firm foundation. Frank had succeeded in
+gaining the ledge ahead of his chum; and naturally enough his first
+thought was to assist Bob.
+
+Panting, and completely exhausted, Bob lay there on the shelf of rock.
+He could look down, and when the lightning played, see the oncoming of
+that foam-crested bank of mad waters that rushed pell mell down the
+canyon.
+
+Now it was speeding past them, rising higher and higher with each
+second, until a new fear began to grip at Bob's anxious heart. He
+dreaded lest the wave might attain such a height that he and his chum
+would be swept from their perch, to be carried away, helpless victims
+on the crest of the flood.
+
+It was raining now, in sheets. The boys were quickly soaked to the
+skin; but neither of them paid the least attention to this fact, which,
+after all, was of minor Importance.
+
+"Frank, do you think it's going to reach up here?" called Bob, as he
+watched the rising line of water come within three feet of the ledge.
+
+"I hope not," came the reply, and then Bob saw that his chum was moving
+along the ledge looking carefully above as though in hopes of finding
+it possible to climb higher, in case of necessity.
+
+"Any chance of getting up the rocks, Frank?" he asked again, a minute
+later.
+
+"Mighty little, Bob," replied the other, dropping beside him; "how's
+the water coming along?"
+
+"Less'n two feet from us now, and still rising," reported Bob,
+disconsolately.
+
+"But it comes slowly, you notice," Frank declared, with hope in his
+voice.
+
+"I could just touch it the last time the lightning played; now I can
+put my hand clear in it!" Bob called, uneasily.
+
+Another minute passed. The lightning was of considerable assistance to
+the trapped saddle boys, for it enabled them to see. Frank had lost
+his lantern during the climb, as it was torn from his belt by a rock he
+struck; so that only for this heavenly illumination they must have been
+in utter darkness. And when peril threatens it is some satisfaction at
+least to see the worst.
+
+"Now it's only one foot down, Frank!" cried Bob.
+
+"That's so," replied the other, instantly; "but I reckon it's about
+reached its limit. You see, the higher it rises the broader the
+channel becomes, and that takes a heap of the water. Bob, cheer up,
+I'm nearly sure it won't reach the ledge!"
+
+"Oh! don't I hope it won't!" cried the Kentucky boy, a little
+hysterically; for his nerves had indeed been sorely tried during this
+night.
+
+Five minutes more passed, during which the torrent continued to rush
+downward through the gorge with all the attendant clamor.
+
+"It's at a stand!" shouted Frank, who had himself been making soundings
+with his hand.
+
+"And only six inches from the shelf!" echoed Bob. "That's what you
+could call a close call; eh, Frank?"
+
+"It sure is, old fellow," replied the prairie boy, himself more
+relieved than his words would indicate; for he had discovered, during
+his brief search, that there was absolutely no hope of ascending any
+farther up that blank wall.
+
+"Shake hands, Frank! We're as lucky as ever, I tell you!" said Bob;
+and when their hands clasped neither of them thought it strange that he
+could feel the other trembling.
+
+"Well, what are we going to do about it?" asked Bob, when some time had
+passed, and the flood still rushed through the canyon, although in
+diminished fury.
+
+"I don't know that we can do anything except camp out right here on
+this rock-shelf, and wait for the storm to pass by," replied Frank.
+
+"Even if it takes till morning?" Bob went on.
+
+"Nothing else left to us; and morning won't be so very long coming,
+perhaps, Bob. You notice, don't you, that the thunder now is about all
+natural?"
+
+"Well, that's a fact," declared Bob. "The geyser has stopped beating
+against the inside of the mountain, hasn't it? Got tired of the job,
+and quit for another rest, perhaps."
+
+"I've got my idea about that," Frank said "You can see how the water is
+still rushing along down there. It must be nearly ten feet deep, and
+for some time, now, I don't believe it's varied. Don't you understand
+what that means, Bob?"
+
+"Good gracious! do you mean that the old geyser has turned into a
+river, and will keep on running like this right along?" cried the other.
+
+"Looks that way to me," Frank replied. "It is a great big syphon, and
+once started, the water that has for centuries been wasting in some
+underground stream is now flowing down this canyon. Perhaps long ago
+it did this same thing, till some upheaval--an earthquake it might have
+been--turned things around."
+
+"But I say, Frank!" Bob exclaimed; "If what you tell me turns out to be
+true, it looks as if we were bottled up in a nice hole, doesn't it? We
+can't get up any farther; and if we go down we'll just have to swim in
+a torrent that'll knock us silly. This is what I call tough!"
+
+"Oh! don't look a gift horse in the mouth, Bob. This is a pretty good
+sort of a shelf after all; and we'll be glad to stick to it till
+morning comes. Time enough then to plan what we're going to do to get
+away."
+
+"That's right, and I'm ashamed of complaining," the taller lad burst
+out.
+
+"It is a grand old shelf; and if I wasn't afraid of rolling off I
+believe I could even snatch a few winks of sleep, wet clothes or not."
+
+"Oh! I'll prop you up with some loose rocks If you want to try it,"
+declared Frank; "but the chances are you'll get to shivering. Better
+sit up, and whack your arms around as I'm doing every little while. It
+makes the blood circulate, you see, and keeps you from going to pieces."
+
+Bob saw the wisdom of this advice. He was beginning to shudder every
+minute or so. They were up the side of the mountain a considerable
+distance; and after the electrical storm the air had changed from hot
+to cold.
+
+Time passed very slowly. Every now and then the boys would go through
+that motion of slapping their arms across their chests; and it never
+failed to start the chilled blood into new life.
+
+"Was there ever such a long night?" groaned Bob, as he stretched his
+neck for the thirtieth time to look up at the narrow strip of sky that
+could be seen between the overhanging walls of the canyon, in hopes of
+discovering signs of the coming dawn.
+
+"It won't be long now," said Frank, who carried a little watch along
+with him, and had several times struck a match to consult its face.
+"One good thing, Bob; it has cleared up. You can see the stars
+overhead."
+
+"Yes, and how bright they look from here in this black hole. How long
+did you say now, Frank?" asked the anxious and weary Bob, yawning.
+
+"Half an hour ought to see us through, and bring daylight."
+
+"But Frank, that river is still running below us. However in the wide
+world will we get out of this?" asked Bob.
+
+"No use crossing till you get to the bridge," laughed Frank. "Just you
+make up your mind there's going to be some way open for us to get out
+of this. And if the worst comes, I'm a boss swimmer, remember, Bob."
+
+After another spell of waiting the Kentucky lad cried out:
+
+"I believe it's getting light! Yes, you can see things now that were
+hid before!"
+
+The morning came. Overhead the sun shone, for they could see that the
+sky was clear. And looking down they saw the rushing torrent that had
+not filled the bed of the canyon for perhaps centuries back.
+
+When another hour had elapsed Bob began to grow impatient, and
+suggested various wild schemes for getting out of the difficulty. To
+all of these Frank shook his head. He himself was considering
+something, when he suddenly lifted his head as though listening.
+
+"Some one shouting up yonder!" exclaimed Bob, pointing upward to the
+top of the canyon wall; whereupon Frank seized upon his gun, and fired
+several shots in rapid succession.
+
+Then came answering shouts, upon which Frank repeated his signal for
+help.
+
+"They hear you; they're coming closer! Oh! Frank, I believe that's
+Old Hank Coombs hollering!" exclaimed the excited Bob.
+
+"Hello! down there, air ye all safe?" came a hail; and looking up the
+two boys on the shelf saw the grizzled head of the old cowman thrust
+into view.
+
+
+
+
+CHAPTER XXII
+
+ONCE MORE AT CIRCLE RANCH--CONCLUSION
+
+After all, it was not a very great task, getting the two saddle boys up
+from the friendly shelf. Old Hank lowered his lariat; and after Bob
+had slipped the loop under his arms, he was pulled to safety. Then
+Frank followed.
+
+They found that Hank had half a dozen cowboys with him, some of the
+most daring connected with Circle Ranch. Overtaken by the storm while
+at the base of the mountain, they had waited for daylight, and then
+started afoot to make the ascent. The presence of the new river in the
+bed of the long empty _barranca_ astonished these cowmen exceedingly.
+And when they heard all that the boys had to tell they were almost of
+the opinion that they must have been dreaming.
+
+But there was the evidence before their very eyes, and nobody could
+deny that the old-time river, that had been bottled up underground for
+so long, had finally found a way to break forth once more, aided by the
+geyser that for a century had beaten that tremendous tattoo every
+little while against the inner walls of the rocky mountain.
+
+"Then there won't be no more racket, will there?" old Hank asked, as he
+lay there, looking down at the rushing current of the new stream that
+would no doubt readily follow its long abandoned course, until it
+reached the distant Colorado, somewhere along the Grand Canyon.
+
+"The chances are against it," replied Frank.
+
+"But let's try and find our horses," Bob suggested, after he had
+finished eating what food the newcomers had taken the pains to prepare
+for the lost ones.
+
+"Yes, I'm anxious myself to find out how Buckskin's weathered the
+gale," Frank put in.
+
+The two horses were found in good shape, but glad to once more see
+their masters, if the whinnies that greeted the coming of Frank and Bob
+might be looked upon as evidence of this.
+
+And then another difficult task awaited them. To get the animals down
+to the level plain, now that the canyon was out of commission, taxed
+the ingenuity of even so expert a plainsman as Hank Coombs; but it was
+finally accomplished.
+
+Then the horses of the cowboys were found, and the entire party started
+for the distant ranch, expecting to complete their jaunt before sundown.
+
+Old Hank was deeply interested in what the boys had to tell about the
+band of rustlers passing, with all the led horses.
+
+"Didn't git 'em from our ranch," he declared; "an' I reckons the
+X-bar-X must 'a suffered; or it might be the Arrowhead, over on the
+creek, was the one. But if so be Pedro Mendoza has been usin' that
+canyon to cross over the range with his stolen cattle an' horses, he'll
+hev to go further away now to do the same, 'cause his road's a rushin'
+river."
+
+"We sure have had a great time of it," declared Bob, as they came in
+sight of the buildings of the ranch, and heard the loud calls of the
+cowboys who were driving some of the stock in from the range, to get it
+ready for shipment later.
+
+"Yes, and think what we found out," Frank pursued. "First of all the
+mystery of Thunder Mountain is known, and from this time on those
+roaring sounds will never again be heard."
+
+"And the Indians will be wondering why the Great Spirit is angry with
+his red children, so that he refuses to speak to them," Bob continued.
+
+"And then there is that little affair about Lopez," Frank remarked,
+smiling at the recollection. "We have learned who Lopez is, and what
+his grandfather, Lemuel Smith, was doing in that cave. Think of Peg
+and his two guides getting out of the region without finding out a
+thing!"
+
+"Say won't they be just as mad as hops, though, when they learn about
+what we saw and heard," chuckled Bob. "It's been a great time, all
+right. And Frank, we'll never again have anything like the fun we had
+in that old _barranca_. It makes my blood just jump through my veins
+to think of it."
+
+"You're right," said Frank, "I don't believe we ever will!"
+
+But like many other persons who cannot look ahead even one hour, and
+know what the future holds for them, both the saddle boys were very
+much mistaken. There were plenty of stirring adventures awaiting them
+ere many weeks had passed, some of which will be related in the next
+volume of this series, called "The Saddle Boys in the Grand Canyon; Or,
+The Hermit of the Cave." And those of our boy friends who have found
+more or less interest in the present story of life in the far
+Southwest, will doubtless be glad to read more of the doings of Frank
+Haywood and his brave Kentucky chum, Bob Archer.
+
+That Peg and his guides reached home safely Frank knew shortly, when he
+happened to meet the bully on the trail. Peg was eager to hear at
+first hand all that had happened, and made friendly overtures with that
+design in view; but this did not deceive Frank in the least. He
+realized that Peg was more bitter than ever, and believed that if the
+opportunity ever came the bully would not hesitate to do anything that
+he thought would annoy the chums.
+
+Frank had also found that the prospector, Smith, and his little Mexican
+granddaughter, had reached home in safety. The successful lode hunter
+purchased a ranch; and when Frank met him some time later he was riding
+around the country in a fine automobile, buying stock. Inez was with
+him, and never again would the brave little girl have to dress as a boy
+in order to carry supplies up into the canyons of the mountains.
+
+Thunder Mountain never again uttered a sound of warning. The Indians
+marveled much, and consulted their greatest medicine men as to why the
+voice of Manitou called no more. But the whites knew; and a load was
+thereby taken from the mind of many a superstitious cowboy, who, when
+watching his charges through the vigils of the night, could look toward
+the rocky height without that feeling of uneasiness that had always
+been present when he believed the mountain to be haunted.
+
+
+
+
+THE END
+
+
+
+
+
+
+
+
+
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