Public domain
Another "Line of Defense." The lunch-time whistle blows and workers file from an eastern Navy yard for re-fuelling during the dailey break in building ships and supplies for the two-ocean Navy
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAnother "Line of Defense." The lunch-time whistle blows and workers file from an eastern Navy yard for re-fuelling during the dailey break in building ships and supplies for the two-ocean Navy. 1941-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.