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Colorado River Raft Tour -sedimentary rocks, lava flows, & cinder cone

By Geology and Ecology of National Parks
This is a photo of cliffs of Paleozoic sedimentary rocks, Quaternary lava flows, & a cinder cone on the north rim of the canyon.
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Detailed Description

~ Mile 186.5: View downstream toward cliffs of Paleozoic sedimentary rocks, and Quaternary lava flows and a cinder cone on the north rim of the canyon.

Sources/Usage

Public Domain.