The Indian turned away, and Hippy followed him casually until well out of sight of the dancers.
"Now what is wrong?" demanded the Overland Rider in a brisk tone.
"You hear big noise?"
Hippy shook his head.
"Can't hear anything above the smashing of the lumberjacks' boots."
"Me hear. Big noise up river—boom—boom—boom! Listen! What you hear?"
"It sounds like wind in the tops of the trees," answered Hippy after a moment of listening.
"No wind. Willy know."
"What is it, then?"
"Water! Dam up-river go out. Water come down! Mebby logs come down, too!"