Public domain
Adding a length of drilling pipe at oil well in Seminole oil field, Oklahoma. Wrenches applied to loosen pipe
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAdding a length of drilling pipe at oil well in Seminole oil field, Oklahoma. Wrenches applied to loosen pipe. 1939-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.