Public domain
Shasta Dam, Shasta County, California. Construction work at the dam, showing wooden forms for concrete and steel reinforcing bars
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineShasta Dam, Shasta County, California. Construction work at the dam, showing wooden forms for concrete and steel reinforcing bars. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.