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Pacific Mountain System

Rugged topography of the North Cascades

A geologist rests on Mount Sefrit with a view of Mount Shuksan, North Cascades National Park.

Photo by R. Tabor, USGS.

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This site is a cooperative endeavor of the
US Geological Survey Western Earth Surface Processes Team
and the National Park Service.

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http://geology.wr.usgs.gov/docs/usgsnps/province/ncasc1.html
This page was last updated on 9/30/00