Kennewick Extension and Touchet Division, Washington. : Hearing before the Subcommittee on Water and Power Resources of the Committee on Interior and Insular Affairs, United States Senate, Ninety-First Congress, first session, on S. 742 a bill to amend the act of June 12, 1948 (62 stat. 382), in order to provide for the construction, operation, and Maintenance of the Kennewick Division Extension, Yakima project, Washington, and for other purposes, and S. 743 a bill to authorize the Secretary of the Interior to construct, operate, and maintain the Touchet Division, Walla Walla Project, Oregon-Washington, and for other purposes. March 4, 1969.