. . "Asarco" . . "American Smelting and Refining Company (Asarco)" . "American Smelting and Refining Company" . . "''Federated Metals''" . . . . . . . "Asarco LLC" . . . . . "Asarco Australia" . . . . . . . "ASARCO's" . "Asarco" . "ASARCO" . "Guggenheim" . . . . "American Smelting and Mining Company" . "ASARCo" . "American Smelting & Refining Company" .