Public domain
Steam threshing machines [i.e. traction engines]. Sibley, Illinois
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSteam threshing machines [i.e. traction engines]. Sibley, Illinois. 1936-01-01. Mydans, Carl. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.