| Reference | {Deposit:: PEFR BY C.M. PALENCIA}{Deposit:: ENGINEERING & MINING JOURNAL, JULY 1990}{Deposit:: MINING MAGAZINE, APRIL 1989, PP.23-24}{Deposit:: MINING MAGAZINE, DECEMBER 1989}{Deposit:: MINING JOURNAL, NOVEMBER 21, 1986}{Deposit:: MINING ANNUAL REVIEW, 1988}{Deposit:: INTERNATIONAL MINING, SEPTEMBER 1988}{Deposit:: ENGINEERING & MINING JOURNAL, MAY 1990}{Reserve-Resource:: MINING MAGAZINE, JANUARY, 1994, P. 8.} |