United States. Congress. Senate. Committee on Energy and Natural Resources. (2008). Hard-rock mining on federal lands: Hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, first session, to receive testimony on hard-rock mining on federal lands, September 27, 2007. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Hard-rock Mining on Federal Lands: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, First Session, to Receive Testimony on Hard-rock Mining on Federal Lands, September 27, 2007. Washington: U.S. G.P.O., 2008.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. Hard-rock Mining on Federal Lands: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, First Session, to Receive Testimony on Hard-rock Mining on Federal Lands, September 27, 2007. U.S. G.P.O., 2008.