Section, Pub. L. 88–379, title II, § 200, July 17, 1964, 78 Stat. 331; Pub. L. 89–404, § 1, Apr. 19, 1966, 80 Stat. 129; Pub. L. 92–175, § 5, Dec. 2, 1971, 85 Stat. 493; Pub. L. 93–608, § 1(17), Jan. 2, 1975, 88 Stat. 1970; Pub. L. 95–84, § 1(a)(1), Aug. 2, 1977, 91 Stat. 400, authorized appropriations for research into water problems related to the mission of the Department of the Interior and required that the Secretary’s annual report to the President and Congress identify each approved contract and grant award. See section 7815 of this title.