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Eagle Butte West coal lease application : final environmental impact statement

United States. Bureau of Land Management. Casper Field Office.
Casper, WY : U.S. Dept. of the Interior, Bureau of Land Management, Casper Field Office, [2007] 2007

Record of decision, environmental impact statement for the Buckskin Mine Hay Creek II coal lease app

Casper, WY : United States Department of the Interior, Bureau of Land Management, High Plains District, [2013] 2013

Record of decision, environmental impact statement for the North Hilight Field coal lease applicatio

United States. Bureau of Land Management. High Plains District Office, author.
Campbell, Wyoming : U.S. Department of the Interior, Bureau of Land Management, 2012. 2012

Record of decision, environmental impact statement for the North Porcupine coal lease application WY

United States. Bureau of Land Management. High Plains District Office, author.
Casper, WY : U.S. Department of the Interior, Bureau of Land Management, High Plains District Office, [2011] 2011

The Spotted Horse coalfield, Sheridan and Campbell Counties, Wyoming

Olive, Wilds W. (Wilds Williamson), 1921- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1957. 1957