1975. 2013-05-28T19:29:30Z. 2013-06-14T17:58:10Z. Danielson, T. W. Dept. of the Interior, U.S. Geological Survey. English. Public. Colorado, Denver Metropolitan Area, and Denver Metropolitan Area (Colo.).
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1975. 2013-05-30T20:01:30Z. 2013-06-14T17:58:36Z. Driscoll, Linda B. Dept. of the Interior, U.S. Geological Survey. English. Public. Colorado, Denver Metropolitan Area, and Denver Metropolitan Area (Colo.).
1975. 2013-05-28T19:31:16Z. 2013-06-14T17:58:10Z. Hampton, E. R. Dept. of the Interior, U.S. Geological Survey. English. Public. Colorado, Denver Metropolitan Area, and Denver Metropolitan Area (Colo.).
1975. 2013-05-30T19:59:52Z. 2013-06-14T17:58:35Z. McCain, Jerald F. Dept. of the Interior, U.S. Geological Survey. English. Public. Colorado, Adams County, Arapahoe County, Denver Metropolitan Area, Douglas County, Jefferson County, Boulder County, and Denver Metropolitan Area (Colo.).