Magnuson, Warren G., Senator2019-01-102019-01-101952EPM-069-14-003http://hdl.handle.net/20.500.11867/151898 sheets 8 x 10.5 inch. Typed. Date est. from information in the document.Speech on the future of dam building in Washington, including a third powerhouse on the Grand Coulee Dam.Dams--Grand Coulee;Dams;Dams--Lower Monumental;SpeechesPresidentsDams; Hydroelectric power plants--Columbia River Basin;