Unknown2018-11-062018-11-061967EPM-066-02-004http://hdl.handle.net/20.500.11867/14564Single 16 x 10 inch sheet, tri-folded. Printed recto and verso.Brochure on the benefit of the Grand Coulee Dam for irrigation and recreation.Dams--Grand Coulee;Statistical dataThe Columbia Basin Project: Washington.