APA

United States, United States, . (1993). Unreclaimed hardrock mines: joint oversight hearing before the Subcommittee on Energy and Mineral Resources and the Subcommittee on Oversight and Investigations of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, unreclaimed hardrock mines : hearing held in Washington, DC, August 5, 1993. Washington: U.S. G.P.O.

Chicago

United States, United States, . 1993. Unreclaimed hardrock mines: joint oversight hearing before the Subcommittee on Energy and Mineral Resources and the Subcommittee on Oversight and Investigations of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, unreclaimed hardrock mines : hearing held in Washington, DC, August 5, 1993. Washington: U.S. G.P.O.

Harvard

United States, United States, . (1993). Unreclaimed hardrock mines: joint oversight hearing before the Subcommittee on Energy and Mineral Resources and the Subcommittee on Oversight and Investigations of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, unreclaimed hardrock mines : hearing held in Washington, DC, August 5, 1993. Washington: U.S. G.P.O.

MLA

United States, United States, . Unreclaimed hardrock mines: joint oversight hearing before the Subcommittee on Energy and Mineral Resources and the Subcommittee on Oversight and Investigations of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, unreclaimed hardrock mines : hearing held in Washington, DC, August 5, 1993. Washington: U.S. G.P.O. 1993.