16 U.S.C. § 455
Section, act June 11, 1926, ch. 555, §1, 44 Stat. 726; July 26, 1947, ch. 343, title II, §205(a), 61 Stat. 501, related to study of battlefields for commemorative purposes. See section 103306(a) of Title 54, National Park Service and Related Programs.