Copper deposits near Superior, Arizona, in Contributions to economic geology (Short papers and preliminary reports), 1912, Part I.--Metals and nonmetals except fuels
Ransome, F.L., 1914, Copper deposits near Superior, Arizona, in Contributions to economic geology (Short papers and preliminary reports), 1912, Part I.--Metals and nonmetals except fuels: U.S. Geological Survey Bulletin 540, p. 139-158.
