1955. 2011-04-05T17:33:34Z. 2012-02-14T00:24:03Z. Cater, Fred W. (Fred William), 1912-. U.S. Geological Survey. English. Public. Colorado, Dolores County, and San Miguel County.
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1972. 2012-11-02T20:06:19Z. 2012-11-02T20:06:19Z. Haynes, Donald D. U.S. Geological Survey. English. Public. Colorado, Dolores County, Montezuma County, San Miguel County, Utah, and San Juan County.
1959. 2012-09-05T15:48:36Z. 2013-03-18T22:16:28Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Colorado, Montezuma County, and Dolores County.