Coal Assessments

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CONTACT

Jim Luppens
Lead Geologist
703.648.6460

Learn More about Coal Assessments

The Gillette coalfield portion of the PRB was evaluated in 2002. For this study, detailed correlations for approximately 3100 drill holes were interpreted from existing NCRDES data. In the past decade, the tremendous growth of coal bed methane well development in the PRB has resulted in completion of over 12,000 wells with publicly available corresponding geophysical logs. This wealth of new data should greatly enhance the reliability and accuracy of future assessments in the region.

A map showing the location of the Gillette coal field.

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RECENT PUBLICATIONS

Large-scale digital geologic map databases and reports of the North Coal District in Afghanistan, (2008):
USGS Data Series 317 (dual-layer DVD-ROM).

RELATED LINKS

ASTM Committee D05 on Coal and Coke
Non-USGS Website

U.S. Energy Information Administration (EIA)
Non-USGS Website