The projects for the control of floods and other purposes on the Sacramento River adopted by the acts of Congress approved March 1, 1917, May 15, 1928, August 26, 1937, and August 18, 1941, and adopted and authorized by the Legislature by Chapter 25, Statutes of 1911, First Extra Session, Chapter 170, Statutes of 1913, Chapter 686, Statutes of 1915, and Chapter 176, Statutes of 1925, are adopted and authorized as modified substantially in accordance with the recommendations of the Chief of Engineers in House Document Numbered 649, Seventy-eighth Congress, Second Session, except as provided in Section 12649, at an estimated additional cost to the State of three million three

hundred twenty-six thousand dollars ($3,326,000), or such other project as shall finally be decided upon which will accomplish the same flood control purposes as proposed by the Table Mountain Dam or any other dam across the Sacramento River in the same general vicinity, subject to modification that may hereafter be made by Congress.