House documents, 88th Congress. 201. Whitestone Coulee unit, letter from Assistant Secretary of Interior transmitting report on Whitestone Coulee unit, Okanogan-Simllkameen Division, Chief Joseph Dam proiect. Wash., pursuant to sec. 9(a) of Reclamation project act of 1939 (53 Stat. 1187); Jan. 7, 1964.