Filters: Tags: Tertiary (X) > Categories: Web Site (X)

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Powder River Basin Boundary This ArcView shapefile contains a polygon representing the boundary of the Powder River Basin based on a generalized contact of Cretaceous and Tertiary rocks. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region. Categories: Web Site; Tags: 1400 - Resources, 1403 - Fuels, 30003 = Big Horn, 30017 = Custer, 30075 = Powder River, All tags... 30087 = Rosebud, 30103 = Treasure, 56005 = Campbell, 56009 = Converse, 56011 = Crook, 56019 = Johnson, 56027 = Niobrara, 56033 = Sheridan, 56045 = Weston, Basin, Big Horn County, Campbell County, Coal, Converse County, Crook County, Custer County, Johnson County, Montana, Natrona County, Niobrara County, Northern Rocky Mountain and Great Plains Region, Powder River Basin, Powder River Basin boundary, Powder River County, Rosebud County, Sheridan County, Tertiary, Treasure County, USGS National Coal Resource Assessment, Weston County, Wyoming, geoscientificInformation, Fewer tags Tertiary-aged coal beds in the Sheridan coalfield This ArcView shapefile contains a polygon representation of the lateral extent of the Wyodak-Anderson coal zone in the Sheridan Coalfield. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region Categories: Web Site; Tags: 1400 - Resources, 1403 - Fuels, 56033 = Sheridan, Coal beds, Geology, All tags... Northern Rocky Mountain and Great Plains Region, Powder River Basin, Sheridan, Sheridan County, Tertiary, USGS National Coal Resource Assessment, Wyodak-Anderson coal zone, Wyoming, geoscientificInformation, Fewer tags