Unknown2019-08-132019-08-131952-07-21RPB-102-01-004http://hdl.handle.net/20.500.11867/17589Single sheet 16.5 x 17 inch. Printed recto and verso. 15 sheets 8.5 x 11 inch. Typed.Includes the brochure "Planning for the water needs of the Pacific Northwest, the Columbia-North Pacific Comprehensive Study," and the first part of "Population Projections for the Pacific Northwest States and Region 1960 and 1975." See RPB-102-01-005 and 006 for more.IrrigationDams;Dams; Hydroelectric power plants--Columbia River Basin;