Unknown2019-09-112019-09-111957-08-27RPB-105-06-009http://hdl.handle.net/20.500.11867/17975Single sheet 4 x 5 inch. Printed, typed, and stamped recto and verso. 3 sheets 8.5 x 11 inch. Typed. Annotated throughout in pencil. Two photographs: 8.5 x 11 inch. Included typed captions.One news release with an attached note. Also included are two black and white photographs of new construction. See also RPB-105-06-001 through 105-06-008.Dams; Hydroelectric power plants--Columbia River Basin;Photograph