1986—Pub. L. 99–662 inserted “and flood prevention improvements for protection from groundwater-induced damages” after “drainage improvements”.

Department of War designated Department of the Army and title of Secretary of War changed to Secretary of the Army by section 205(a) of act July 26, 1947, ch. 343, title II, 61 Stat. 501. Section 205(a) of act July 26, 1947, was repealed by section 53 of act Aug. 10, 1956, ch. 1041, 70A Stat. 641. Section 1 of act Aug. 10, 1956, enacted “Title 10, Armed Forces” which in sections 3010 to 3013 continued Department of the Army under administrative supervision of Secretary of the Army.

Authority of Secretary of Agriculture under this section as unaffected by repeal of Secretary’s authority under section 701b of this title, see section 7 of act Aug. 4, 1954, set out as a note under section 701b of this title.

Provisions of this section as not amended, modified or repealed by the Submerged Lands Act, see section 1303 of Title 43, Public Lands.