This view shows more detail of the John Day Formation and the overlying Picture Gorge Basalt exposed on the mountainsides north of Sheep Rock. In the foreground, erosion along the John Day River exposes Quaternary-age terrace gravels in the riverbank. This view is from the Sheep Rock Overlook along Highway 19.

The URL is: https://gotbooks.miracosta.edu/gonp/joda/html2/jd312.htm Last modified: 12/20/2010