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Colorado River Raft Tour - massive rock fall from the Kaibab Limestone

By Geology and Ecology of National Parks
This is a photo of a massive rock fall from the Kaibab Limestone onto the north bank of the Colorado River.
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Detailed Description

~ Mile 6: A fairly "fresh" (recent) massive rock fall from the Kaibab Limestone onto the north bank of the Colorado River. Hereford and Huntoon (1990) reported that this rock fall occurred sometime in 1969 or 1970.

Sources/Usage

Public Domain.