| Reference | {Deposit:: ENGINEERING AND MINING JOURNAL, 1974, MITSUI SEGREGATION PRO}{Deposit:: TREATS PERUVIAN COPPER ORES: DEC. 74, P. 61.}{Deposit:: ENGINEERING AND MINING JR., 1975, WORLD ROUNDUP: MCGRAW HILL}{Deposit:: YORK, JAN., 75, P. 78}{Deposit:: ENGINEERING AND MINING JOURNAL VOL. 175 NO.12 PP. 61-64}{Deposit:: U.S. EMBASSY, INDUSTRIAL OUTLOOK REPORT-PERU, MINERALS 1989,}{Deposit:: PART 1 NARRATIVE SUPPLEMENT, MAY 1990, P. 8.}{Deposit:: ENGINEERING AND MINING JOURNAL, 1991 ENGINEERING AND MINING}{Deposit:: JOURNAL INTERNATIONAL DIRECTORY OF MINING, P. 269.} |