108 STAT. 3468 PUBLIC LAW 103-364—OCT. 14, 1994 16 USC 410ZZ-2. SEC. 4. EXPANSION OF PARK BOUNDARIES. (a) IN GENERAL.— The boundaries of the park are hereby modified to reflect the addition of approximately 3,460 acres of land and interests therein as generally depicted on the map entitled " Saguaro National Monument Additions" and dated April, 1994. (b) LAND ACQUISITION.—(1) Within the lands added to the park 1)ursuant to subsection (a), the Secretary is authorized to acquire ands and interests therein by donation, purchase with donated or appropriated funds, transfer, or exchange: Provided, That no such lands or interests therein may be acquired without the consent of the owner thereof unless the Secretary determines that the land is being developed, or is proposed to be developed in a manner which is determental to the integnty of the park. (2) Lands or interests therein owned by the State of Arizona or a political subdivision thereof may only be acquired by donation or exchange. (c) WITHDRAWAL.— Subject to valid existing rights, all Federal lands within the park are hereby withdrawn from all forms of entry, appropriation, or disposal under the public land laws, from location, entry, or patent under the United States mining laws, and from disposition under all laws relating to mineral and geothermal leasing, and mineral materials, and all amendments thereto. 16 USC 410ZZ-3. SEC. 5. AUTHORIZATION OF APPROPRIATIONS. There is authorized to be appropriated such sums as may be necessary to carry out this Act. Approved October 14, 1994. LEGISLATIVE HISTORY—S. 316: HOUSE REPORTS: No. 103-815 (Comm. on Natural Resources). SENATE REPORTS: No. 103-270 (Comm. on Energy and Natural Resources). CONGRESSIONAL RECORD, Vol. 140 (1994): June 16, considered and passed Senate. Oct. 3, considered and passed House.