PUBLIC LAW 101-313—JUNE 27, 1990 104 STAT. 273 SEC. 102. ESTABLISHMENT OF PETROGLYPH NATIONAL MONUMENT. (a) In order to preserve, for the benefit and enjoyment of present and future generations, that area in New Mexico containing the nationally significant West Mesa Escarpment, the Las Imagines National Archeological District, a portion of the Atrisco Land Grant, and other significant natural and cultural resources, and to facilitate research activities associated with the resources, there is hereby established the Petroglyph National Monument (hereinafter in this title referred to as the "monument") as a unit of the National Park System. The monument shall consist of approximately 5,280 acres generally known as the Atrisco Unit, as depicted on the map entitled "Boundary Map, Petroglyph National Monument", numbered NM-PETR-80,010C and dated June 1990, which shall be on file and available for public inspection in the offices of the National Park Service, Department of the Interior, in the offices of the Department of Energy, Minerals, and Natural Resources of the State of New Mexico, and in the office of the mayor of the city of Albuquerque, New Mexico. Os) The monument shall be administered by the Secretary of the Interior (hereinafter in this title referred to as the "Secretary") or, if the monument is expanded pursuant to section 104(a), by the Secretary in cooperation with the State of New Mexico (hereinafter in this title referred to as the "State") or the city of Albuquerque, New Mexico (hereinafter in this title referred to as the "city"), in accordance with section 105. (c) Within 6 months after the date of enaction of this title, the Secretary shall file a legal description of the monument with the Committee on Energy and Natural Resources of the United States Senate and the Committee on Interior and Insular Affairs of the United States House of Representatives. Such legal description shall have the same force and legal description as if included in this title, except that the Secretary may correct clerical and typographical errors in such legal description. The legal description shall be on file and available for public inspection in the offices of the National Park Service, Department of the Interior, in the offices of the Department of Energy, Minerals, and Natural Resources of the State of New Mexico, and in the office of the mayor of the city of Albuquerque, New Mexico: Provided, That the Secretary may from time to time, after completion of the general mansigement plan referred to in section 108(a), may make minor adjustments to the monument boundary by publication of a revised map or other boundary description in the Federal Register. SEC. 103. LAND ACQUISITION AUTHORITY. (a) The Secretary is authorized to acquire lands and interests Gifts and therein within the monument boundary by donation, purchase with property, donated or appropriated funds, exchange, or transfer from any other Federal agency, except that lands or interests therein owned by thfe State or a political subdivision thereof may be acquired only by donation or exchange. (b) Where the surface and subsurface estates of private land to be acquired are separately owned, the Secretary shall acquire the subsurface estate to such land prior to or at the same time the surface estate is acquired: Provided, That this subsection shall not be applicable if the Secretary determines that the prior acquisition of the surface estate is necessary— (1) to prevent damage to the resources of the monument; or
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