Costs of Construction, Operation and Maintenance for the Wapato, Ahtanum and Toppenish-Simcoe Irrigation Projects.

United States Indian Irrigation Service2017-10-252017-10-251955REC-113-20-005http://hdl.handle.net/20.500.11867/1482Single 9 x 11 inch letterhead. Typed. ND."Twelve miles of drains were excavated, 467 metal headgates with measuring devices were installed."IrrigationCosts of Construction, Operation and Maintenance for the Wapato, Ahtanum and Toppenish-Simcoe Irrigation Projects.