House documents, 86th Congress. 453. Oroville-Tonasket unit, Okanogan-Similkameen Division, Chief Joseph Dam project, Wash., letter from secretary of Interior transmitting report on Oroville-Tonasket unit, Okanogan-Similkameen division, Chief Joseph Dam project, Wash., pursuant to sec. 9(a) of Reclamation project act of 1939 (53 Stat. 1187); Aug. 25, 1960.

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