Browse subject: Petroleum -- Refining | The Online Books Page
Petroleum refineries in the United States, January 1, 1930 / (Washington, D.C. : U.S. Dept. of Commerce, Bureau of Mines, 1930), by G. R. Hopkins and E. W. Cochrane (page images at HathiTrust) Petroleum refineries in the United States and Puerto Rico / (Washington, Dept. of the Interior, Bureau of Mines [etc.]), by United States. Bureau of Mines.