It was called Millecrag Bend, either then, or on the second expedition.

A new canyon immediately formed; a narrow, straight canyon, with walls terraced above and vertical below.

The thirteen hundred feet of altitude speedily diminished and in nine miles the voyagers were at the end.

Low walls again began, forming the head of the next canyon of the series.

Presently they arrived at the mouth of a river flowing in from the right, or west.