The project for the control of floods in the Sacramento River, California, adopted by section 703 of this title, is modified in accordance with the report of the California Débris Commission submitted in Senate Document Numbered 23, Sixty-ninth Congress, first session: Provided, That the total amounts contributed by the Federal Government, including the amounts heretofore contributed by it, shall in no event exceed in the aggregate $17,600,000.
(May 15, 1928, ch. 569, §13,