This primary source comes from the Collection FDR-PHOCO: Franklin D. Roosevelt Library Public Domain Photographs.
National Archives Identifier:
197012Full Citation: Public Works Administration Project, U.S. Army Corps of Engineers, Bonneville Power Dam in Oregon, Columbia River, 'Spillway.'; 9/2/1938; Collection FDR-PHOCO: Franklin D. Roosevelt Library Public Domain Photographs. [Online Version, https://docsteach.org/documents/document/public-works-administration-project-us-army-corps-of-engineers-bonneville-power-dam-in-oregon-columbia-river-spillway, March 17, 2025]