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By: Mead, Walter J. - United States. Bureau of Land Management. Portland Service Center.Edition:Publication info: Portland, Or, U.S. Department of the Interior, Bureau of Land Management, Portland Service Center, 1969Volume:Series:Holding Institution: Bureau of Land ManagementSubjects: Bureau of Land Management Colorado Letting of contracts Mines and mineral resources Oil and gas leases Petroleum in submerged lands Records and correspondence United StatesBHL Collections: