1972. 2013-02-21T14:30:22Z. 2013-03-18T22:37:23Z. Maberry, John O., 1935-. U.S. Geological Survey. English. Public. Colorado, Arapahoe County, Douglas County, Arapahoe County (Colo.), and Douglas County (Colo.).
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1973. 2013-02-21T20:15:09Z. 2013-03-18T22:37:26Z. Maberry, John O., 1935-. U.S. Geological Survey. English. Public. Colorado, Arapahoe County, Douglas County, Arapahoe County (Colo.), and Douglas County (Colo.).