1965. 2012-09-28T18:11:55Z. 2013-03-18T22:20:39Z. Theobald, P. K. (Paul Kellogg), 1928-. U.S. Geological Survey. English. Public. Colorado, Clear Creek County, and Grand County.
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1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Utah, Uintah County, Colorado, Garfield County, and Rio Blanco County.
1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Colorado, Garfield County, and Rio Blanco County.
1963. 2012-09-21T15:54:03Z. 2013-03-18T22:19:19Z. Wells, John D. U.S. Geological Survey. English. Public. Colorado, Boulder County, and Jefferson County.
1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Colorado and Garfield County.
1996. 2002-06-01T04:00:00Z. 2020-12-18T19:10:25Z. Geological Survey (U.S.). The Survey. English. Public. Colorado, San Juan County, and Hinsdale County.
1961. 2012-09-13T13:54:41Z. 2013-03-18T22:18:02Z. Scott, Glenn Robert, 1918-. U.S. Geological Survey. English. Public. Colorado and Jefferson County.
1987. 2002-06-01T04:00:00Z. 2016-03-28T17:04:08Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Colorado and Rio Blanco County.
1996. 2002-06-01T04:00:00Z. 2020-12-18T19:11:09Z. Geological Survey (U.S.). The Survey. English. Public. Colorado and San Juan County.
1984. 2023-08-28T19:20:07Z. 2023-08-29T03:02:39Z. Eppinger, R. G. U.S. Geological Survey. English. cartographic image. Public. Colorado, Clear Creek County, Grand County, Clear Creek County., and Grand County.