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1908. 2011-05-25T19:45:33Z. 2015-10-21T14:59:57Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Montana, Deer Lodge County (Mont.), Granite County (Mont.), and Powell County (Mont.).
1909. 2011-05-25T19:56:02Z. 2023-04-25T20:46:21Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Granite County (Mont.), Montana, and Ravalli County (Mont.).