print email comment close USGS Geology in the Parks URL: http://www.nature.nps.gov/geology/usgsnps/project/home.html Description: This "non-technical approach to geology" explains geologic maps, plate tectonics, rocks and minerals, geologic time, geomorphic provinces, sand dunes, caves, and coasts. Includes profiles of the geology of several national parks, a glossary, maps, animations, and other images. A collaboration between the U.S. Geological Survey (USGS) and the National Park Service. Extra Keywords grgeology Mojave, Sunset Crater, Lake Mead, Lassen, North Cascades, Joshua Tree, Devils Postpile, Death Valley, Yosemite Library of Congress Subject Headings: Geology National parks and reserves -- West (U.S.) LII Database Information: Record 6821 created by Dana Lubow on 03/17/2000 Last modification on 01/19/2009 Published: 03/17/2000   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/6821