Public domain
Roughnecks guiding bailer into hole during bailing out operations, oil well, near Seminole, Oklahoma. They were bailing out mud and water in old well before drilling to a deeper level
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineRoughnecks guiding bailer into hole during bailing out operations, oil well, near Seminole, Oklahoma. They were bailing out mud and water in old well before drilling to a deeper level. 1939-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.