Then they cautiously withdrew.

In the shadows near they halted and the trapper whispered:

“What’s ther next move?”

“Well,” said Frank decisively, “it is very evident that unaided we can never hope to capture these miscreants. They are too many for us. The U. S. authorities should be notified and the troops from some fort near here should come to our aid.”

Beaver Bill nodded his head.

“Kerect, pard!” he affirmed. “And I kin tell ye jest where ter find ther sogers.”

“Where?” asked Frank, eagerly.

“Thar’s a hull detachment of ’em up here a ways on Blind river. They’re doing some government surveys, I reckon.”

“Enough!” exclaimed Frank. “Let us back to the Steam Horse. I will send Barney and Pomp after them immediately.”

“That’s ther talk.”