United States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels, & ProQuest (Firm). (1971). Mining activities in the Custer and Gallatin National Forests in Montana: Hearing, Ninety-second Congress, first session ... August 18, 1971, Billings, Mont. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels, and ProQuest (Firm). Mining Activities in the Custer and Gallatin National Forests in Montana: Hearing, Ninety-second Congress, First Session ... August 18, 1971, Billings, Mont. Washington: U.S. Govt. Print. Off, 1971.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels, and ProQuest (Firm). Mining Activities in the Custer and Gallatin National Forests in Montana: Hearing, Ninety-second Congress, First Session ... August 18, 1971, Billings, Mont. U.S. Govt. Print. Off, 1971.