Hearing on H.R. 3981, H.R. 4109, H.R. 4141, and H.R. 4158 : hearing before the Subcommittee on National Parks and Public Lands of the Committee on Resources, House of Representatives, One Hundred Fifth Congress, second session on H.R. 3981, to modify the boundaries of the George Washington birthplace national monument, and for other purposes. H.R. 4109, to authorize the Gateway Visitor Center at Independence National Historic Park, and for other purposes. H.R. 4141 to amend the act authorizing the establishment of the Chattahoochee River National Recreation Area to modify the boundaries of the area, and to provide for the protection of lands, waters, and natural, cultural, and scenic resources within the National Recreation Area, and for other purposes. H.R. 4158, to authorize the private ownership and use of certain secondary structures and surplus lands administered as part of any national historical park that are not consistent with the purposes for which the park was established, if adequate protection of natural, aesthetic, recreational, cultural, and historical values is assured by appropriate terms, covenants, conditions, or reservations, July 16, 1998, Washington, DC.