PowderRiverBasin.jpg

Summary

Description
English: Location map of the Powder River Basin, Wyoming and Montana, USA
Date
Source US Geological Survey Open-File Report 88-450 P, "Petroleum Geology of the Powder River Basin, Wyoming and Montana", p.2
Author Gordon L. Dolton, James E. Fox, and Jerry L. Clayton
Permission
( Reusing this file ) 		US federal government

Licensing

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey , an agency of the United States Department of the Interior . For more information, see the official USGS copyright policy .

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