In sections 430f-6 to 430f-12 of this title:

(1) Map

The term “Map” means the map entitled “Park Boundary-Corinth Unit”, numbered 304A/80009, and dated April 2007.

(2) Park

The term “Park” means the Shiloh National Military Park.

(3) Secretary

The term “Secretary” means the Secretary of the Interior.

(4) Unit

The term “Unit” means the Corinth Unit of Shiloh National Military Park established under section 430f-8 of this title.