Sleeping Bear Dunes; recreational fee demonstration; and schools in Yosemite National Park : hearing before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Eighth Congress, first session, on S. 808, to provide for expansion of Sleeping Bear Dunes National Lakeshore; S. 1107, to enhance the recreational fee demonstration program for the National Park Service, and for other purposes; H.R. 620, to authorize the Secretary of the Interior to provide supplemental funding and other services that are necesssary to assist the State of California or local educational agencies in California in providing educational services for students attending schools located within the park, September 9, 2003.