Manson Unit, Chelan Division, Washington. : Hearing before the subcommitee on Irrigation and Reclamation of the committee on Interior and Insular Affairs, United States Senate, Eighty-eighth Congress, second session, on S. 2533, a bill to authorize the Secretary of the Interior to construct, operate, and maintain the manson unit, Cheland division, chief Joseph dam project, Washington, and for other purposes. March 17, 1964. (U.S. Govt. Print. Off,, 1964)