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Open-File Report 2006-1206

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Preliminary Estimate of Coal Resources in the Gillette Coalfield Affected by the Location of the Burlington Northern/Union Pacific Joint Mainline Railroad

By Timothy J. Rohrbacher, Jon E. Haacke, David C. Scott, Lee M. Osmonson, and James A. Luppens

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This publication, primarily in graphic form, presents a preliminary resource assessment related to a major, near-term restriction to mining in that portion of the Gillette coalfield, Wyoming, that is traversed by the Burlington Northern/Union Pacific joint mainline railroad. This assessment is part of a current Powder River Basin regional coal assessment, including both resources and reserves, being conducted by the U.S. Geological Survey. The slides were used to illustrate a presentation of study results at a meeting of the Bureau of Land Management’s Regional Coal Team in Casper, Wyoming on April 19, 2006 by the senior author.

Version 1.0

Posted July 2006

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