"Nope!" was the answer. "You catchum dead man?"
"Not a sign, Buck! Beckon he must have dug a hole and pulled it in after him. But we've got to find out what's the matter with the pipe line. There's only a few days' supply of water in the reservoir. Rustle out some grub, and we'll ride over the mountain."
"Um," grunted the Zuni, and a little later, after a hasty meal of flapjacks, bacon and coffee, the boy ranchers, with the old Zuni Indian, started on a night ride over the mountain trail, in the general direction of the pipe line, the supply of fluid for which had so mysteriously stopped.
But strange events were only just beginning to happen in Flume Valley. There were others in store for the boy ranchers.
CHAPTER III
THE WARNING
"Will it be safe to leave our camp alone, like this?" asked Nort, as he and his companions rode off, leaving behind them the white tents, gleaming in the wondrous light of a full moon.
"Why not?" inquired Bud. "It won't walk away."
"No, but some one might come in and take everything."