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The Hunt for Iceberg Erratics


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Ice-rafted erratic boulders from the northern Rocky Mountains now residing in Northwest Oregon and Southwest Washington

Researched, written and photographed by

Rick and Sylvia Thompson

32 pages, 17 locations (with maps and GPS), 81 photographs, introduction to iceberg erratics, how to identify erratics, types of erratics, and a page for your own discoveries.


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