"You will have to ask Eagle-eye. I don't know."

The Indian, when questioned on this point, said the Red Star Mine lay
three suns to the southwest of them.

The country seemed to be getting more rough as they proceeded, and it
had now become necessary to move with extreme caution for fear of
plunging over one of the many abrupt cliffs that now and then appeared
almost under the feet of the advancing train.

But the Indian seemed to feel no concern over these. He merely
changed his course, skirting the canyon until a turn in its winding
course enabled him to head straight into the southwest again.

Not even in the Rockies had the boys met with such peculiar formations
as now appeared on all sides of them.

"I'd hate to travel this trail in the night," growled Stacy.

"You wouldn't have to travel it far," laughed Tad. "You'd be walking
on air before you knew it."

Stacy had pressed on ahead while the others were talking. He had
observed what they had not. One of the pack mules had lagged behind,
and with head lowered almost to the ground appeared to have gone sound
asleep. The Shawnee, engaged with his own thoughts, apparently was
unaware that he had left a mule behind.

The fat boy, with great glee, was urging his pony quietly along,
approaching the pack animal with as much caution as possible. It was