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Document Type
Article
Date of this Version
2013
Citation
Published in Fact Sheet 2012-3143 (2013) 6 pages.
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.
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