Cataclysms on the Columbia by John Eliot Allen 1991
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.