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Description

Cataclysms on the Columbia tells two stories. One follows geological research that challenged the scientific paradigm of the early 20th century, and the other chronicles the result of that research: the discovery of powerful prehistoric floods that shaped the Pacific Northwest. The cataclysms at the end of the last Ice Age left a scabland of buttes, dry falls, and rocky gorges, but it took the detective work of geologist J Harlen Bretz to prove it to the world. His lifetime of research and unshakeable belief changed geology forever.

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Product Details

  • Nov 1, 2009 Pub Date:
  • 9781932010312 ISBN-13:
  • 1932010319 ISBN-10:
  • 216.0 pages Paperback
  • English Language