La Caridad mine / SX-EW plant / La Caridad smelter / Cananea mine / Toquepala mine / San Martin mine / /
IndustryTerm
railroad transportation sector / improved metal prices / energy / main by-product / higher metal prices / integrated copper producers / transportation division / railroad subsidiary / bank balance / metal prices / environmental law / transportation system / /
NaturalFeature
MT Comex / /
Organization
Federal Conciliation and Arbitration Board / National Union / United Nations / Federal Antitrust Commission / U.S. Treasury / /