43 U.S. Code § 506 - Authority of Secretary to make modifications
In order to preserve the structural safety of Bureau of Reclamation dams and related facilities the Secretary of the Interior is authorized to perform such modifications as he determines to be reasonably required. Said performance of work shall be in accordance with the Federal reclamation laws (Act of June 17, 1902, 32 Stat. 388, and Acts amendatory or supplementary thereto).
Act of June 17, 1902, referred to in text, is popularly known as the Reclamation Act, which is classified generally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 371 of this title and Tables.