United States Department of the Interior Bureau of Land Management Wyoming State Office Coal Lease Readjustment Serial Number WYW23929 Date Lease Issued February 1, 1971Coal Lease Readjustment • August 12th, 2009 • Cloud Peak Energy Inc. • Bituminous coal & lignite surface mining
Contract Type FiledAugust 12th, 2009 Company Industry
QuickLinks -- Click here to rapidly navigate through this documentCoal Lease Readjustment • August 8th, 2008 • Cloud Peak Energy Inc.
Contract Type FiledAugust 8th, 2008 CompanyUnited States Department of the Interior Bureau of Land Management Wyoming State Office Coal Lease Readjustment Serial Number WYW23929 Date Lease Issued February 1, 1971