Public domain
Screwing one length of pipe to another by means of pipe wrenches, oil well, Kilgore, Texas
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineScrewing one length of pipe to another by means of pipe wrenches, oil well, Kilgore, Texas. 1939-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.