Section, Pub. L. 86–523, § 7, formerly § 4, June 27, 1960, 74 Stat. 221, renumbered and amended Pub. L. 93–291, § 1(9), May 24, 1974, 88 Stat. 175; Pub. L. 95–625, title VI, § 603, Nov. 10, 1978, 92 Stat. 3518, related to assistance to Secretary by Federal agencies responsible for construction projects. See section 312507 of Title 54, National Park Service and Related Programs.