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Sandstone, Frontier Formation, Muddy Gap, Wyoming. (Photography by Chris Schenk, USGS, 2005)
National Assessment of Oil and Gas Project:

Petroleum Systems and Geologic Assessment of Oil and Gas in the Southwestern Wyoming Province, Wyoming, Colorado and Utah

By U.S. Geological Survey Southwestern Wyoming Province Assessment Team

Available on CD-ROM contact  Energy Team CD Distribution




Executive Summary  (PDF File 55 KB)

Assessment Reports




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