most of them sticking up from five to ten feet above his head.
"It wouldn't be any fun if some of those loose rocks came down on a fellow's head, or on his horse," mused our hero, as he moved along. "I wonder where this way leads to?"
At a distance he could hear the others talking, so he knew they were not far off. They, too, were now among the big rocks, and each hidden from the others. Then the talking gradually ceased, giving way to an occasional call or whistle.
"Oh, if only I could just stumble into the en trance to that mine!" thought Dave. "What a fine thing it would be for Roger and his family! I know they need the money!"
He kept his eyes on the alert, but none of the signs for which he was searching appeared, nor did anything that looked like a mine entrance show itself.
It was growing towards sunset when Dave, who had just met Phil and separated from him, came to another rocky defile, this time leading to something of a hollow. Here the air was damp and cool and our hero paused for a moment, for he felt tired and hot after the hard riding of the day.
"Wonder where we will camp for to-night," he mused, as he gazed around him. "I hope we find some nicer spot than this. This looks so lonely and spookish. Well, I suppose I've got to go on,
