There is authorized to be appropriated the sum of not to exceed $454,000 for the purpose of acquiring lands, interests in lands, and improvements thereon as may be necessary for carrying out sections 428k to 428o of this title.
(Pub. L. 86–738, § 3, Sept. 8, 1960, 74 Stat. 876; Pub. L. 92–272, title I, § 101(5), Apr. 11, 1972, 86 Stat. 120.)