Public Law 83–429

That, in order to preserve and protect, in the public interest, the historic Old Fort Union, situated in the county of Mora, State of New Mexico, and to provide adequate public access thereto, the Secretary of the Interior is authorized to acquire on behalf of the United States by donation, or he may procure with donated funds, the site and remaining structures of Old Fort Union, together with such additional land, interests in land, and improvements thereon as the Secretary in his discretion may deem necessary to carry out the purposes of this Act. Donated lands may be accepted subject to such reservations, terms, and conditions as may be satisfactory to the Secretary, including right of reversion to donor, or its successors and assigns, upon abandonment as a national monument, and reservation of mineral rights subject to condition that surface of donated lands may not be used or disturbed in connection therewith, without the consent of the Secretary.

Sec. 2.

Upon a determination of the Secretary of the Interior that sufficient land and other property have been acquired by the United States for national-monument purposes, as provided in section 1 of this Act, such property shall be established as the “Fort Union National Monument” and thereafter shall be administered by the Secretary of the Interior in accordance with the laws and regulations applicable to national monuments. An order of the Secretary, constituting

Publication in FR.

notice of such establishment, shall be published in the Federal Register.

Following establishment of the national monument, additional

Additional properties.

properties may be acquired as provided in section 1 hereof, which properties, upon acquisition of title thereto by the United States, shall become a part of the national monument: Provided, That the total area of the national monument established pursuant to this Act shall not exceed one thousand acres, exclusive of such adjoining lands as may be covered by scenic easements.