(a) In generalThe Secretary may acquire land and interests in land within the boundary of the Park described in section 430f–8(b) of this title, by—
(Pub. L. 106–271, § 5, Sept. 22, 2000, 114 Stat. 793; Pub. L. 110–161, div. F, title I, § 127(3), Dec. 26, 2007, 121 Stat. 2122.)