Unknown2018-11-062018-11-061964EPM-066-02-005http://hdl.handle.net/20.500.11867/14565Single 11 x 9 inch sheet. Printed recto and verso. Date est. 2 copies in the collection, only one has been digitized.Brochure on the geology of the area where the Priest Rapids and Wanapum Dams were selected from. Includes a drawing with a crosscut view of the different layers of rock strata where each dam was planned.Dams--Priest Rapids;Dams--Wanapum;