The Secretary of the Interior is authorized to acquire such lands and interests in land and to enter into such agreements with the owners of land on behalf of themselves, their heirs and assigns with respect to the use thereof as the Secretary finds necessary to preserve, protect and improve the Antietam Battlefield comprising approximately 1,800 acres in the State of Maryland and the property of the United States thereon, to assure the public a full and unimpeded view thereof, and to provide for the maintenance of the site (other than those portions thereof which are occupied by public buildings and monuments and the Antietam National Cemetery) in, or its restoration to, substantially the condition in which it was at the time of the battle of Antietam. Any acquisition authorized by this section may be made without regard to the limitation set forth in the proviso contained in section 430nn of this title.
16 U.S. Code § 430oo. Acquisition of lands for preservation, protection and improvement; limitation
1988—Pub. L. 100–528 struck out after first sentence “Not more than 600 acres of land, however, shall be acquired in fee by purchase or condemnation, but neither this limitation nor any other provision of law shall preclude such acquisition of the fee title to other lands and its immediate reconveyance to the former owner with such covenants, restrictions, or conditions as will accomplish the purposes of this section: Provided, That the cost to the Government of any such transaction shall not exceed the reasonable value of the covenants, restrictions, or conditions thereby imposed on the property.”