Cataclysms on the Columbia: A Layman's Guide to the Features Produced by the Catastrophic Bretz Flood in the Pacific Northwest
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Cataclysms on the Columbia: A Layman's Guide to the Features Produced by the Catastrophic Bretz Flood in the Pacific Northwest
Used Book in Good Condition
The formation of the Grand Coulee remained a mystery for many years, until J Harlen Bretz proved that the Columbia River basin was the site of huge floods 15,000 years ago that created the landscape we see today.