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Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp)

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:30 AM | Dataset Last Updated: May 25, 2021 at 12:00 AM
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.

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