Public domain
Roughnecks leaning on the wrench to tighten the joint in the pipe, oil well, Oklahoma City, Oklahoma
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineRoughnecks leaning on the wrench to tighten the joint in the pipe, oil well, Oklahoma City, Oklahoma. 1939-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.