1973. 2012-11-07T14:33:33Z. 2012-11-07T14:33:33Z. Richmond, Gerald Martin, 1914-. U.S. Geological Survey. English. Public. Idaho, Fremont County, Yellowstone National Park, Wyoming, and Teton County.
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1973. 2013-02-21T20:18:02Z. 2013-03-18T22:37:26Z. Keith, John R. U.S. Geological Survey. English. Public. Colorado, Arapahoe County, and Douglas County.