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1973. 2013-05-14T18:46:50Z. 2021-09-24T21:33:03Z. U.S. Geological Survey. English. Public. Arizona and Phoenix Metropolitan Area.
1973. 2013-05-09T19:11:55Z. 2013-05-22T14:59:46Z. United States. Department of Agriculture. U.S. Geological Survey. English. Public. Arizona and Tucson Region.