Cataclysms on the Columbia: A Layman’s Guide to the Features Produced by the Catastrophic Bretz Floods in the Pacific Northwest
John Eliot Allen
221 pages, Paperback
ISBN: 0881922153
ISBN13:
Language: English
Publish: January 1, 1991
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.