United States. Bureau of Land Management. Butte District. (1981). Environmental assessment for oil and gas leasing program, Butte District. The Bureau.
Chicago Style (17th ed.) CitationUnited States. Bureau of Land Management. Butte District. Environmental Assessment for Oil and Gas Leasing Program, Butte District. Butte, Mont.: The Bureau, 1981.
MLA (9th ed.) CitationUnited States. Bureau of Land Management. Butte District. Environmental Assessment for Oil and Gas Leasing Program, Butte District. The Bureau, 1981.
Warning: These citations may not always be 100% accurate.