1972. 2012-11-09T17:53:35Z. 2012-11-09T17:53:35Z. Baltz, Elmer Harold, 1927-. U.S. Geological Survey. English. Public. New Mexico and San Miguel County.
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1972. 2012-03-26T14:14:46Z. 2012-05-03T15:31:55Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Mexico and San Miguel County.
1972. 2012-03-29T14:45:20Z. 2012-05-03T15:34:11Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Mexico, San Miguel County, and Santa Fe County.
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.