The Formation of Hells Canyon - Ellen Morris Bishop - Jan. 12, 2021

Elizabeth Kay
Elizabeth Kay
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Published 2021-01-17
Ellen Morris Bishop, geologist, photographer and writer, will be giving a lecture on 'The Formation of Hells Canyon: A 3-Million Year Saga'. Hells Canyon is the deepest gorge in North America -- and until now, one of the least understood.
All Comments (3)
  • @johnnash5118
    Before the Indian Cr. breakthrough of the divide, where did Lake Idaho drain to?