. . "Proposed fiscal year 2001 budget request for the National Park Service : hearing before the Subcommittee on National Parks, Historic Preservation, and Recreation of the Committee on Energy and Natural Resources, United States Senate, One Hundred Sixth Congress, second session ... February 29, 2000"@en . . . . . . . "Proposed fiscal year 2001 budget request for the National Park Service hearing before the Subcommittee on National Parks, Historic Preservation, and Recreation of the Committee on Energy and Natural Resources, United States Senate, One Hundred Sixth Congress, second session ... February 29, 2000"@en . . . . . . . . . . .