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1912. 2013-03-14T19:07:18Z. 2013-03-14T19:07:18Z. Stose, George Willis, 1869-1960. U.S. Geological Survey. English. Public. Colorado and États-Unis.
1957. 2011-04-20T17:55:58Z. 2012-02-14T23:29:25Z. Van Horn, Richard, 1920-. U.S. Geological Survey. English. Public. Colorado and Jefferson County.
1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Colorado, La Plata County, and Fruitland Formation (Colo. and N.M.).
1954. 2018-06-21T19:45:28Z. 2018-06-21T19:45:28Z. Johnson, Ross B., 1919-. U.S. Geological Survey. English. cartographic image. Public. Colorado, Huerfano County, U.S., and Huerfano County.
1985. 2018-05-16T17:41:39Z. 2022-12-08T04:43:49Z. Christiansen, R. D., compiler. Western GeoGraphics. English. cartographic image. Public. Colorado, Colorado (Staat), and Colorado.
1916. 2013-03-14T18:01:25Z. 2013-03-14T18:01:25Z. Finlay, George I. (George Irving), 1876-. The Survey. English. Public. Colorado, El Paso County, Fremont County, Pueblo County, Teller County, and États-Unis.
1998. 2002-06-01T04:00:00Z. 2005-02-18T21:45:32Z. Geological Survey (U.S.). The Survey ; Information Services [distributor]. English. Public. Colorado and Utah. Jurassic.
1992. 2002-06-01T04:00:00Z. 2016-07-20T21:24:08Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Colorado, Ouray Region, and Black Canyon of the Gunnison National Monument Region. Jurassic.
1899. 2013-03-13T16:59:54Z. 2013-03-13T16:59:54Z. Hills, R. C. (Richard Charles), 1848-1923. The Survey. English. Public. Colorado, Las Animas County, États-Unis, and Montana.
