Ancient Landscapes of the Grand Canyon Region
by Edwin Dinwiddie McKee
Publisher: Coconino Sun Co. 1931
Number of pages: 56
From the rim of Grand Canyon one not only looks down through tremendous space, but also through time, glimpsing the record of vast ages, measurable not in centuries but in millions and even hundreds of millions of years. There in the bottom of that mighty chasm are found rocks formed during the first and oldest era ...
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