Section, Pub. L. 93–251, title I, § 12, Mar. 7, 1974, 88 Stat. 16; H. Res. 988, Oct. 8, 1974; Pub. L. 94–587, § 157(a), Oct. 22, 1976, 90 Stat. 2933; S. Res. 4, Feb. 4, 1977, provided for deauthorization of projects of improvement of rivers and harbors and other waterways for navigation, beach erosion, flood control, and other purposes which the Secretary of the Army determined should no longer be authorized.