h as soon as
possible."
The airship once more rose in the air, and, following the directions
the miner had given him, Tom pointed his craft for the depression in the
mountains which had been given the name Black Gulch. It was reached in
a short time, and then, making a turn up a long valley the airship
proceeded at reduced speed.
"We ought to see that stone head soon now," spoke Tom, as he peered from
the windows of the pilot house.
"It's queer we didn't notice it when we were up in the air," remarked
Mr. Jenks. "We've been over this place before, I'm sure of it."
The next moment Mr. Damon uttered a cry. "Bless my watch-chain!" he
exclaimed. "Look at that!"
He pointed off to the left. There, jutting out from the side of a steep
mountain peak was a mass of stone--black stone--which, as the airship
slowly approached, took the form and shape of a giant's head.
"That's it! That's it!" cried Tom. "The great stone head!"
"And now for Phantom Mountain and the diamonds!" shouted Mr. Jenks, as
Tom let the airship slowly settle to the bottom of the valley.
CHAPTER XIII--ON PHANTOM MOUNTAIN
Out from the Red Cloud piled Tom and the others. They made a rush for
the irregular mass of rock which bore so strong a resemblance to the
head of some gigantic man.
"That's the one! That's the thing I saw when they were taking me along
here blindfolded!" exclaimed Mr. Jenks. "I'm sure we're on the right
trail, now!"
"But what gets me, though," remarked Mr. Damon, "is why we couldn't see
that landmark when we were up in the air. We had a fine view, and ought
to have been able to pick it out with the telescopes."
The adventurers saw the reason a few seconds later. The image was
visible only from one place, and that was directly looking up the
valley. If one went too far to the right or left the head disappeared
from view behind jutting crags, and it was impossible to see it from
overhead, because the head was almost under a great spur of a mighty
mountain.
"We might have hunted for it a week in the airship, and been directly
over it," said Tom, "and yet we would never have seen it."
"Yes, but we never would have gotten here in such good shape if it
hadn't been for your wonderful craft," declared Mr. Jenks. "It brought
us here safely and quickly, and enabled us to elude the men who tried to
keep us back. We're here in spite of them. If we had traveled by train
they might have interfered with us in a dozen w
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