In any case in which it may be necessary or advisable in the execution of an authorized work of river and harbor improvement to exchange land or other property of the Government for private lands or property required for such project, the Secretary of the Army may, upon the recommendation of the Chief of Engineers, authorize such exchange upon terms and conditions deemed appropriate by him, and any conveyance of Government land or interests therein necessary to effect such exchange may be executed by the Secretary of the Army: Provided further, That the authority granted to the Secretary of the Army shall not extend to or include lands held or acquired by the Tennessee Valley Authority pursuant to the terms of the Tennessee Valley Authority Act [16 U.S.C. 831 et seq.]. This section shall apply to any exchanges heretofore deemed advisable in connection with the construction of the Bonneville Dam in the Columbia River.
33 U.S. Code § 558b - Exchange of land or property
The Tennessee Valley Authority Act, referred to in text, is act May 18, 1933, ch. 32, 48 Stat. 58, known as the Tennessee Valley Authority Act of 1933, which is classified generally to chapter 12A (§ 831 et seq.) of Title 16, Conservation. For complete classification of this Act to the Code, see section 831 of Title 16 and Tables.
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 Section 205(a) of act July 26, 1947, was repealed by section 53 of act Aug. 10, 1956, ch. 1041, 70A Stat. 641.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.