Dramatic rugged Scablands sagebrush landscape above Potholes Coulee WA

dramatic rugged scabland sagebrush landscape potholes coulee coulee canyon wa aerial blue sky sky rim wall plateau washington scour ice age flood erosion cliff rock ancient lakes channeled scablands erode western arid volcanic nature natural travel tourism west gorge terrain ancient bluff column basalt ascend ascent scenic rustic quincy copy space geologic geology horizon