The Secretary of the Interior (hereinafter in sections 430h-6 to 430h-9 of this title referred to as the "Secretary") is authorized to acquire by donation, exchange, or purchase with donated or appropriated funds, approximately two and five-tenths acres of land in Madison Parish, Louisiana, known generally as the Grant's Canal property.
Upon acquisition of the properties referred to in subsections (a) and (b), the Secretary shall, after the publication of notice in the Federal Register, revise the boundary of Vicksburg National Military Park (hereinafter in sections 430h-6 to 430h-9 of this title referred to as the "park") to reflect the inclusion of such properties within the park.
16 U.S.C. § 430h-6