Unknown2018-11-072018-11-071948-10-25EPM-066-02-022http://hdl.handle.net/20.500.11867/145826 sheets 19 x 8 inch, bi-folded and secured booklet style. Insert: 8 x 9 inch sheet. Printed. Annotated in black ink. Date est.History of city of Ephrata and The Columbia Basin Project. Includes an enclosed sheet with a program for the State Legislature Tour in Ephrata.IrrigationDams--Grand Coulee;Ephrata: capital of The Columbia Basin Project.