Construction of dams across Yellowstone River

Where, in carrying out projects under the provisions of the national reclamation Act it shall be necessary to construct dams in or across the Yellowstone River in the State of Montana, the Secretary of the Interior is hereby authorized to construct and use and operate the same in the manner and for the purposes contemplated by said reclamation Act. (Source: (Mar. 3, 1905, ch. 1476, 33 Stat. 1045.))