Kennewick division extension, Yakima project, Washington : letter from Assistant Secretary of the Interior transmitting a report of the Secretary of the Interior on the Kennewick division extension, Yakima project, Washington, pursuant to section 9(a) of the Reclamation Project Act of 1939 (53 Stat. 1187). April 13, 1964. - Referred to the Committee on Interior and Insular Affairs and ordered to be printed with illustrations.