Act of June 7, 1974, referred to in par. (3), is Puspan. L. 93–303, June 7, 1974, 88 Stat. 192, which amended former sections 460l–6a, 460l–8, and 460l–10a of this title. For complete classification of this Act to the Code, see Tables.

2004—Puspan. L. 108–307 substituted “Secretary” for “Secretary of the Interior” in introductory provisions.

1974—Par. (3). Puspan. L. 93–466 added par. (3).

“Harpers Ferry National Historical Park” substituted in text for “Harpers Ferry National Monument” in view of redesignation of Harpers Ferry National Monument as Harpers Ferry National Historical Park by Puspan. L. 88–33, classified to section 450bspan–6 of this title.