Cataclysms on the Columbia by John Eliot Allen 1991

Cataclysms on the Columbia by John Eliot Allen 1991

$12.00Price

Cataclysms on the Columbia (Scenic Trips to the). John Eliot Allen; Marjorie Burns; Sam Sargent, Timber Press, Incorporated, 1991.

 

Science - Geology

 

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.

 

Light cover wear. 221 pages.

 

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