Arizona wilderness : hearing before the Subcommittee on Public Lands, National Parks, and Forests of the Committee on Energy and Natural Resources, United States Senate, One Hundred First Congress, second session, on S. 2117 ... H.R. 2570 ... April 5, 1990.
Publisher: Washington: U.S. Gvt. Printing Office,
Coverage: Washington [D.C.] : U.S. G.P.O. : 1990.