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Start Over You searched for: Subject Geology Remove constraint Subject: Geology Spatial Coverage Cochise County (Ariz.) Remove constraint Spatial Coverage: Cochise County (Ariz.)

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1916. 2011-05-18T17:34:37Z. 2015-10-21T14:59:28Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona, Cochise County, Cochise County (Ariz.), and Sulphur Springs Valley (Ariz.).
1920. 2011-05-18T17:41:03Z. 2015-10-21T14:59:28Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona, Cochise County, New Mexico, Grant County, Cochise County (Ariz.), Grant County (N.M.), and San Bernadino Valley (Ariz. and Mexico).
1917. 2011-05-18T18:03:32Z. 2015-10-21T14:59:28Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona, Cochise County, Graham County, Greenlee County, New Mexico, Grant County, Cochise County (Ariz.), Graham County (Ariz.), Grant County (N.M.), and Greenlee County (Ariz.).