Land and water conservation fund amendments, Pennsylvania Avenue Development Corporation reauthorization, Cameron Parish land conveyance, and Historic Sites Act reform : hearing before the Subcommittee on Public Lands, National Parks, and Forests of the Committee on Energy and Natural Resources, United States Senate, One Hundred Second Congress, second session, on S. 2505, S. 2723, H.R. 4999, S. 3100, H.R. 4276, August 11, 1992