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Geology of the National Parks

GEOLOGY OF OLYMPIC NATIONAL PARK:
PART I OLYMPIC GEOLOGY

artist rendering of Ancient Lake Elwha
Ancient Lake Elwha as as viewed from Hurricane Ridge.

At about 13,000 years ago,

Ancient Lake Elwha formed when the Elwha valley was dammed by the Juan De Fuca lobe of the Canadian Ice Sheet.

Courtesy of Olympic National Park and Ench Gallery.

For another animated view of the Canadian Ice Sheet encroachment on the Olympics, CLICK HERE


Material in this site has been adapted from Guide to the Geology of Olympic National Park by Rowland W. Tabor, of the USGS. It is published by The Northwest Interpretive Association, Seattle.

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