1979. 2002-06-01T04:00:00Z. 2022-11-29T23:05:28Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Powder River County, Wyoming, Campbell County, Powder River County (Mont.), and Campbell County (Wyo.).
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1980. 2002-06-01T04:00:00Z. 2022-11-16T20:30:51Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Big Horn County, Powder River County, Wyoming, Sheridan County, Big Horn County (Mont.), Powder River County (Mont.), and Sheridan County (Wyo.).
1979. 2002-06-01T04:00:00Z. 2022-11-29T23:06:11Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Powder River County, Wyoming, Campbell County, Powder River County (Mont.), and Campbell County (Wyo.).
1980. 2002-06-01T04:00:00Z. 2022-11-16T20:31:39Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Powder River County, Wyoming, Sheridan County, Powder River County (Mont.), and Sheridan County (Wyo.).
1979. 2002-06-01T04:00:00Z. 2022-11-29T23:07:44Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Powder River County, Wyoming, Campbell County, Powder River County (Mont.), and Campbell County (Wyo.).
1979. 2002-06-01T04:00:00Z. 2022-11-29T23:08:28Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Powder River County, and Powder River County (Mont.).
1979. 2002-06-01T04:00:00Z. 2022-11-29T23:09:24Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Powder River County, Wyoming, Campbell County, Powder River County (Mont.), and Campbell County (Wyo.).
1979. 2002-06-01T04:00:00Z. 2022-11-29T23:10:37Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana, Powder River County, Wyoming, Campbell County, Powder River County (Mont.), and Campbell County (Wyo.).