Filters: Tags: Powder River Basin boundary (X)

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Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp) 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: Data, pre-SM502.8; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Basin, Big Horn County, Campbell County, Coal, Converse County, All tags... Crook County, Custer County, Johnson County, Montana, NCRA Assessment Area, Natrona County, Niobrara County, Northern Rocky Mountain and Great Plains Fort Union Coal Resources Assessment, Northern Rocky Mountain and Great Plains Region, Powder River Basin, Powder River Basin, Powder River Basin boundary, Powder River County, Rosebud County, Sheridan County, Tertiary, Treasure County, USGS National Coal Resource Assessment, USGS Science Data Catalog (SDC), Weston County, Wyoming, coal, economy, environment, geoscientificInformation, nca2000, nrockiescoal, powderbasincoal, Fewer tags