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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... -
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... -
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...