APA

United States, . (1999). Oversight hearing on mining, the American economy, and national security: the role of public lands in maintaining a national asset : oversight hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Resources, House of Representatives, One Hundred Sixth Congress, first session, February 23, 1999, Washington, DC. Washington: U.S. Government Printing Office.

Chicago

United States, . 1999. Oversight hearing on mining, the American economy, and national security: the role of public lands in maintaining a national asset : oversight hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Resources, House of Representatives, One Hundred Sixth Congress, first session, February 23, 1999, Washington, DC. Washington: U.S. Government Printing Office.

Harvard

United States, . (1999). Oversight hearing on mining, the American economy, and national security: the role of public lands in maintaining a national asset : oversight hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Resources, House of Representatives, One Hundred Sixth Congress, first session, February 23, 1999, Washington, DC. Washington: U.S. Government Printing Office.

MLA

United States, . Oversight hearing on mining, the American economy, and national security: the role of public lands in maintaining a national asset : oversight hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Resources, House of Representatives, One Hundred Sixth Congress, first session, February 23, 1999, Washington, DC. Washington: U.S. Government Printing Office. 1999.