PUBLIC LAW 105-376—NOV. 12, 1998 112 STAT. 3389 in the Monument, Congress included the headwaters of the Rito de los Frijoles and the Canada de Cochiti Grant (a total of 7,310 acres) within the Monument's boundaries (Public Law 94-578; 90 Stat. 2732). (E) In 1976, Congress created the Bandelier Wilderness, a 23,267 acres area that covers over 70 percent of the Monument. (3) The Monument still has potential threats from flooding, erosion, and water quality deterioration because of the mixed ownership of the upper watersheds, along its western border, particularly in Alamo Canyon. (b) PURPOSE. — The purpose of this Act is to modify the boundary of the Monument to allow for acquisition and enhanced protection of the lands within the Monument's upper watershed. SEC. 3. BOUNDARY MODIFICATION. Effective on the date of enactment of this Act, the boundaries of the Monument shall be modified to include approximately 935 acres of land comprised of the Elk Meadows subdivision, the Gardner parcel, the Clark parcel, and the Baca Land & Cattle Co. lands within the Upper Alamo watershed as depicted on the National Park Service map entitled "Proposed Boundary Expansion Map Bandelier National Monument" dated July, 1997. Such map shall be on file and available for public inspection in the offices of the Director of the National Park Service, Department of the Interior. SEC. 4. LAND ACQUISITION. (a) IN GENERAL.—Except as provided in subsections (b) and (c), the Secretary of the Interior is authorized to acquire lands and interests therein within the boundaries of the area added to the Monument by this Act by donation, purchase with donated or appropriated funds, transfer with another Federal agency, or exchange: Provided, That no lands or interests therein may be acquired except with the consent of the owner thereof. (b) STATE AND LOCAL LANDS.—Lands or interests therein owned by the State of New Mexico or a political subdivision thereof may only be acquired by donation or exchange. (c) ACQUISITION OF LESS THAN FEE INTERESTS IN LAND.— The Secretary may acquire less than fee interests in land only if the Secretary determines that such less than fee acquisition will adequately protect the Monument from flooding, erosion, and degradation of its drainage waters. SEC. 5. ADMINISTRATION. The Secretary of the Interior, acting through the Director of the National Park Service, shall manage the national Monument, including lands added to the Monument by this Act, in accordemce with this Act and the provisions of law generally applicable to units of National Park System, including the Act of August 25, 1916, an Act to establish a National Park Service (39 Stat. 535; 16 U.S.C. 1 et seq.), and such specific legislation as heretofore has been enacted regarding the Monument.