Open chart showing correlation of map units. (31 KB)
Open description of map units
Open map scale. (4 KB)
Open map legend. (7 KB)
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Geology in the National Parks home | U.S. Department of the Interior | U.S. Geological Survey Privacy statement / General Disclaimer USGS Geology & Geophysics Science Center webmasters http://geomaps.wr.usgs.gov/parks/index.html This page was last updated on 01/13/04