1954—Act Aug. 4, 1954, repealed provisions conferring authority on the Department of Agriculture under the direction of the Secretary of Agriculture to make preliminary examinations and surveys and to prosecute works of improvement for runoff and waterflow retardation and soil erosion prevention on the watersheds of rivers and other waterways.

1941—Act Aug. 18, 1941, reenacted without change portion of section preceding semicolon.

1938—Act June 28, 1938, reenacted without change portion of section preceding semicolon.

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 Section 205(a) of act July 26, 1947, was repealed by section 53 of act Aug. 10, 1956, ch. 1041, 70A Stat. 641.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.

Act Aug. 4, 1954, ch. 656, § 7, 68 Stat. 668, which amended this section by repealing provisions relating to the Department of Agriculture, provided in part that: “(a) the authority of that Department of Agriculture, under the direction of the Secretary, to prosecute the works of improvement for runoff and waterflow retardation and soil erosion prevention authorized to be carried out by the Department by the act of December 22, 1944 (58 Stat. 887), as amended [section 701a–1 of this title], and (b) the authority of the Secretary of Agriculture to undertake emergency measures for runoff retardation and soil erosion prevention authorized to be carried out by section 7 of the act of June 28, 1938 (52 Stat. 1215), as amended by section 216 of the act of May 17, 1950 (64 Stat. 163) [section 701b–1 of this title], shall not be affected by the provisions of this section.”

Pub. L. 104–303, title II, § 202(h), Oct. 12, 1996, 110 Stat. 3676, required the Secretary to enter into an agreement with the National Academy of Sciences to conduct a study of the Corps of Engineers’ use of risk-based analysis for the evaluation of hydrology, hydraulics, and economics in flood damage reduction studies and, not later than 18 months after Oct. 12, 1996, to submit to Congress a report on the results of the study as well as such recommendations as the Secretary considered appropriate.