Public domain
Oil. Parts of the huge extracting plant at Bradford, Pennsylvania, a unit of the Quaker State Refining Company
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineOil. Parts of the huge extracting plant at Bradford, Pennsylvania, a unit of the Quaker State Refining Company. 1941-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.