The Acceptance of J Harlen Bretz’s Ice Age Flood Theory
Clip: Special | 2m Video has closed captioning.
After field studies conducted in the 1940s, J Harlen Bretz published a paper in 1956 providing substantial photographic evidence of great floods (the “Spokane Flood”) shaping the landscape of Central Washington and Western Montana. Bretz’s theory was widely accepted thereafter.
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