1972. 2013-02-21T15:57:16Z. 2013-03-18T20:56:37Z. Maberry, John O., 1935-. U.S. Geological Survey. English. Public. Colorado, Arapahoe County, and Douglas County.
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1973. 2013-04-23T15:47:39Z. 2013-05-02T15:46:53Z. Gable, Dolores J., 1922-. U.S. Geological Survey. English. Public. Colorado, Boulder County, Gilpin County, and Jefferson County.
1972. 2013-04-23T15:31:16Z. 2013-05-02T15:46:52Z. Scott, Glenn Robert, 1918-. U.S. Geological Survey. English. Public. Colorado and Jefferson County.
1908. 2009-10-20T16:41:31Z. 2015-10-27T22:23:48Z. Colorado. State Engineer's Office. The Office. English. Public. Colorado.
2001. 2002-06-01T04:00:00Z. 2023-02-11T04:46:19Z. Geological Survey (U.S.). The Survey. English. Public. Colorado, Boulder County, Weld County, and Adams County.
1975. 2013-04-18T15:42:23Z. 2013-05-02T15:45:10Z. Offield, Terry W. U.S. Geological Survey. English. Public. Colorado and Jefferson County.
1972. 2013-02-21T14:46:57Z. 2013-03-18T22:37:23Z. Maberry, John O., 1935-. U.S. Geological Survey. English. Public. Colorado, Arapahoe County, and Douglas County.
1972. 2013-04-17T20:10:59Z. 2013-05-02T15:44:46Z. Bryant, Bruce, 1930-. Geological Survey. English. Public. Colorado and Pitkin County.
1976. 2013-09-17T18:50:11Z. 2013-09-25T21:09:47Z. Luedke, Robert George, 1927-. The Survey. English. Public. Colorado, San Miguel County, Ouray County, and San Juan County.
1973. 2013-04-23T15:54:52Z. 2013-05-02T15:46:54Z. Gable, Dolores J., 1922-. U.S. Geological Survey. English. Public. Colorado, Boulder County, Gilpin County, and Jefferson County.