PUBLIC LAW 106-154—DEC. 9, 1999 113 STAT. 1737 River and to enhance visitor enjoyment of the open spaces by adding land-based linear corridors to link existing units of the recreation area; (2) to ensure that the Chattahoochee River Nationeil Recreation Area is managed to standardize acquisition, planning, design, construction, and operation of the linear corridors; and (3) to authorize the appropriation of Federal funds to cover a portion of the costs of the Federal, State, local, and private cooperative effort to add additional areas to the recreation area so as to establish a series of linear corridors linking existing units of the recreation area and to protect other open spaces of the Chattahoochee River corridor. SEC. 2. AMENDMENTS TO CHATTAHOOCHEE RIVER NATIONAL RECRE- ATION AREA ACT. (a) BOUNDARIES. —Section 101 of the Act entitled "An Act to authorize the establishment of the Chattahoochee River National Recreation Area in the State of Georgia, and for other purposes", approved August 15, 1978 (16 U.S.C. 460ii), is amended— (1) in the third sentence, by inserting after "numbered CHAT-20,003, and dated September 1984," the following: "and on the maps entitled 'Chattahoochee River National Recreation Area Interim Boimdary Map #1', 'Chattahoochee River NationeJ Recreation Area Interim Boundary Map #2', and 'Chattahoochee River National Recreation Area Interim Boundary Map #3', and dated August 6, 1998,"; (2) by striking the fourth sentence and inserting the following: "No sooner than 180 days after the date of the enactment of this sentence, the Secretary of the Interior (hereafter referred to as the 'Secretary*) may modify the boundaries of the recreation area to include other land within the Chattahoochee River corridor by submitting a revised map or other boundary description to the Committee on Energy and Natural Resources of the United States Senate and the Committee on Resources of the United States House of Representatives. The revised map or other boundary description shall be prepared by the Secretary after consultation with affected landowners, the State of Georgia, and affected poUtical subdivisions of the State. The revised boundaries shall take effect 180 days after the date of submission unless, within the 180-day period, Congress enacts a joint resolution disapproving the revised boimdaries."; and (3) in the next-to-last sentence, by striking "may not exceed approximately 6,800 acres." and inserting "may not exceed 10,000 acres.". (b) ACQUISITION OF PROPERTY.— Section 102 of the Act entitled "An Act to authorize the establishment of the Chattahoochee River National Recreation Area in the State of Georgia, and for other purposes", approved August 15, 1978 (16 U.S.C. 460irl), is amended— (1) in subsection (a), by inserting "from willing sellers" after "purchase"; and (2) by striking subsection (f). (c) COOPERATIVE AGREEMENTS.— Section 103 of the Act entitled "An Act to authorize the establishment of the Chattahoochee River National Recreation Area in the State of Georgia, and for other
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