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Northern Powder River Basin, Montana, defined for 1999 National Coal Resource Assessment (prbnbndg.shp)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2021-05-25T00:00:00Z
This ArcView shapefile contains a polygon representation of the northern boundary of the Powder River Basin (Montana). This theme was created specifically for the National Coal Resources Assessment in the Northern Rocky Mountains and Great Plains Region.

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