33 U.S.C. § 748
Section, act June 20, 1918, ch. 103, §2, 40 Stat. 608; 1939 Reorg. Plan No. II, §2(a), eff. July 1, 1939, 4 F.R. 2731, 53 Stat. 1432; Pub. L. 89-670, §6(b)(1), Oct. 15, 1966, 80 Stat. 938, related to teachers for children of lighthouse keepers.