Okanogan Irrigation District in Washington: Hearings Before the Committee on Irrigation and Reclamation, House of Representatives, Seventieth Congress, First Session on H.R. 7203 by Mr. Hill of Washington, Authorizing the Secretary of the Interior to Transfer the Okanogan Project, in the State of Washington, to the Okanogan Irrigation District Upon Payment of Charges Stated. December 20, 1927