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Fact Sheet 2012–3143

Assessment of Coal Geology, Resources, and Reserve Base in the Powder River Basin, Wyoming and Montana

By David C. Scott and James A. Luppens

Thumbnail of and link to report PDF (12.2 MB)Abstract

Using a geology-based assessment methodology, the U.S. Geological Survey estimated in-place resources of 1.07 trillion short tons of coal in the Powder River Basin, Wyoming and Montana. Of that total, with a maximum stripping ratio of 10:1, recoverable coal was 162 billion tons. The estimate of economically recoverable resources was 25 billion tons.

First posted February 26, 2013

For additional information contact:
Director, Central Energy Resources Science Center
U.S. Geological Survey
Box 25046, MS-939
Denver Federal Center
Denver, CO 80225-0046

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Suggested citation:

Scott, D.C., and Luppens, J.A., 2013, Assessment of coal geology, resources, and reserve base in the Powder River Basin, Wyoming and Montana: U.S. Geological Survey Fact Sheet 2012–3143, 6 p.



Study Methodology

Resource Assessment Results

References Cited

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