Cataclysms on the Columbia
- Authors
- Allen, John Eliot & Burns, Marjorie & Sargent, Sam
- Publisher
- Timber Press (OR)
- Tags
- test , history , science
- ISBN
- 9780881922158
- Date
- 1986-06-01T00:00:00+00:00
- Size
- 3.85 MB
- Lang
- en
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.