1901. 2002-06-01T04:00:00Z. 2020-08-26T21:34:49Z. Saunders, Charles Francis, 1859-1941, cartographer. Charles F. Saunders. English. Public. Colorado and Leadville.
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1898. 2002-06-01T04:00:00Z. 2020-08-03T18:14:32Z. Fischer, Emil B. English. Public. San Juan County (Colo.), Colorado, and San Juan County.
1910. 2002-07-15T21:13:27Z. 2016-11-29T22:10:41Z. Rand McNally and Company. The Company. English. Public. Colorado.
1865. 2016-05-23T18:44:06Z. 2018-06-04T17:27:42Z. Union Pacific Railway, Eastern Division, cartographer. Union Pacific Railway, Eastern Division,Sage, Sons & Co., lithographers and steam printers. English. cartographic image. Public. Kansas, Missouri, and Colorado.
1085. Thermal maturity of hydrocarbon-bearing formations in southwestern Wyoming and northwestern Colorado
1987. 2002-06-01T04:00:00Z. 2016-06-16T15:40:57Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Wyoming and Colorado.
1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Colorado, Piceance Creek Basin, and Green River Formation.
1913. 2002-07-18T19:04:25Z. 2016-11-29T22:10:43Z. George, Russell D., b. 1866. Colorado State Geological Survey. English. Public. Colorado.
1958. 2018-03-29T17:04:24Z. 2022-12-08T04:43:44Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Colorado National Monument (Colo.), Colorado, and Colorado National Monument.
1900. 2021-05-04T17:00:07Z. 2021-05-07T21:33:49Z. Waggener, T.L., (cartographer). publisher not identified. English. cartographic image. Public. Colorado, Pikes Peak (Colo.), and Front Range (Colo. and Wyo.).
1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Colorado and Pueblo Region.
