These provisions were part of section 5 of act Mar. 3, 1909, popularly known as the “River and Harbor Appropriation Act of 1909”.

These provisions superseded previous similar provisions relating to the navigation of the South Pass only, contained in act Aug. 11, 1888, ch. 860, § 5, 25 Stat. 424, amended by act Sept. 19, 1890, ch. 907, § 3, 26 Stat. 452.

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 Section 205(a) of act July 26, 1947, was repealed by section 53 of act Aug. 10, 1956, ch. 1041, 70A Stat. 641.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