1974. 2013-05-22T18:53:18Z. 2013-06-13T15:35:48Z. Denson, N. M. (Norman MacLaren), 1914-. Dept. of the Interior, U.S. Geological Survey. English. Public. Wyoming and Campbell County.
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1974. 2012-12-10T21:28:51Z. 2013-03-18T22:30:59Z. Dibblee, T. W. (Thomas Wilson), 1911-. Dept. of the Interior, U.S. Geological Survey. English. Public. California, San Andreas Fault, San Luis Obispo County, Santa Barbara County, and San Andreas Fault (Calif.).
1974. 2012-11-07T14:17:26Z. 2012-11-07T14:17:26Z. Richmond, Gerald Martin, 1914-. Dept. of the Interior, U.S. Geological Survey. English. Public. Yellowstone National Park.
1974. 2012-11-07T14:36:50Z. 2012-11-07T14:36:50Z. Pierce, Kenneth Lee. Dept. of the Interior, U.S. Geological Survey. English. Public. Yellowstone National Park.