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Powder River Basin: 162B Tons of Coal
February 28, 2013 | USGS

The Powder River Basin of Wyoming and Montana contains about 162 billion short tons of recoverable coal from a total of 1.07 trillion short tons of in-place resources according to a new USGS assessment.

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Powder River Basin Coal Assessment
October 25, 2013 | United States Geological Survey
"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." Quoted from the USGS fact sheet.

Coal Data Browser
March 4, 2014 | Energy Information Administration
The Energy Information Administration has published an interactive map that they call their "Coal Data Browser". It allows you to see statewide averages for variables such as total coal production, total consumption, mine productivity, tons produced per employee hour, sulfur content burned in power production and many, many more. Check it out if you like coal datasulfur-content.gif

Vitrinite Reflectance Data for the Wind River Basin
February 19, 2013 | USGS
The United States Geological Survey has published: New Vitrinite Reflectance Data for the Wind River Basin, Wyoming. "The purpose of this report is to present new vitrinite reflectance data collected mainly from Cretaceous marine shales in the Wind River Basin to better characterize their thermal maturity and hydrocarbon potential." Quoted from the USGS publication announcement.

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