Cataclysms on the Columbia: A Layman's Guide to the Features Produced by the Catastrophic Bretz Floods in the Pacific Northwest by John Eliot Allen, Marjorie Burns, Sam C. Sargent

Cataclysms on the Columbia: A Layman's Guide to the Features Produced by the Catastrophic Bretz Floods in the Pacific Northwest

John Eliot Allen, Marjorie Burns, Sam C. Sargent

213 pages • missing pub info (editions)

nonfiction
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For years the formation of the Grand Coulee remained a mystery until J Harlen Bretz set out to prove that the Columbia River basin was the site of huge floods 15,000 years ago that covered 16,000 square miles to depths of hundreds of feet & cr...

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