Snake River Birds of Prey National Conservation Area; Carl Garner Federal Lands Cleanup Day, and miscellaneous National Park Service measures [electronic resource] : hearing before the Subcommittee on Public Lands, National Parks, and Forests of the Committee on Energy and Natural Resources, United States Senate, One Hundred Third Congress, first session, on S. 273, S. 742, S. 752, S. 851, S. 971, S.J. Res. 78, H.R. 236, June 17, 1993.