1964. 2012-09-24T15:35:07Z. 2013-03-18T22:19:39Z. Roberts, Albert Eugene, 1921-. The Survey. English. Public. Montana and Gallatin County.
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1964. 2012-09-24T15:31:06Z. 2013-03-18T20:28:58Z. Freeman, Val L., 1926-. Interior--Geological Survey. English. Public. Texas, Terrell County, and Brewster County.
1964. 2012-09-26T19:14:32Z. 2013-03-18T20:29:47Z. Freeman, Val L., 1926-. Interior--Geological Survey. English. Public. Texas and Val Verde County.
1964. 2012-09-26T20:01:40Z. 2013-03-18T22:20:09Z. Dibblee, T. W. (Thomas Wilson), 1911-. U.S. Geological Survey. English. Public. California and San Bernardino County.
1964. 2012-09-24T15:32:35Z. 2013-03-18T22:19:39Z. Geological Survey (U.S.). The Survey. English. Public. Montana, Park County, and Gallatin County.
1964. 2012-09-24T15:39:07Z. 2021-05-04T23:19:16Z. Roberts, Albert Eugene, 1921-. The Survey. English. Public. Montana, Gallatin County, and Park County.
1964. 2012-09-26T20:15:41Z. 2013-03-18T22:20:10Z. Dibblee, T. W. (Thomas Wilson), 1911-. U.S. Geological Survey. English. Public. California and San Bernardino County.
1964. 2012-09-26T19:43:12Z. 2013-03-18T22:20:09Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Mexico and Colfax County.
1964. 2012-09-26T20:35:27Z. 2013-03-18T22:20:10Z. Dibblee, T. W. (Thomas Wilson), 1911-. U.S. Geological Survey. English. Public. California and San Bernardino County.
1964. 2012-09-27T18:46:56Z. 2013-03-18T22:20:20Z. Dibblee, T. W. (Thomas Wilson), 1911-. U.S. Geological Survey. English. Public. California, San Bernardino County, and Riverside County.