The project for Russian River, Dry Creek, California is hereby adopted and authorized substantially in accordance with the recommendations of the Chief of Engineers in Senate Document Numbered 128, 87th Congress, 2d Session, as authorized by act of Congress approved October 23, 1962, Public Law 87-874, 87th Congress, 2d Session, 76 Stat. 1173, at an estimated cost to the State of such sum as may be appropriated for state co-operation by the Legislature upon the recommendation and advice of the department, when funds for carrying out said project are appropriated by Congress.