In order to make possible the economical future development of water power, the Secretary of the Army, upon recommendation of the Chief of Engineers, is authorized, in his discretion, to provide in the permanent parts of any dam authorized at any time by Congress for the improvement of navigation such foundations, sluices, and other works, as may be considered desirable for the future development of its water power.
(July 25, 1912, ch. 253, § 12, 37 Stat. 233; July 26, 1947, ch. 343, title II, § 205(a), 61 Stat. 501.)