Public domain
Engineers, with the aid of a bulldozer, putting a culvert into place during a simulated gas attack during maneuvers
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineEngineers, with the aid of a bulldozer, putting a culvert into place during a simulated gas attack during maneuvers. 1942. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.