View northward across Colville River to NPRA
By Energy Resources Program
June 2001 (approx.)

Detailed Description
Bluffs of Upper Cretaceous Schrader Bluff and Prince Creek Formations along Colville River east of Umiat. View northward across Colville River to NPRA. Upper Cretaceous strata exposed in river bluffs.
Sources/Usage
Public Domain.