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.
- ISBN10 0881922153
- ISBN13 9780881922158
- Publish Date 3 December 2005 (first published 1 March 1987)
- Publish Status Out of Print
- Out of Print 13 January 2010
- Publish Country US
- Imprint Timber Press
- Format Paperback
- Pages 221
- Language English