Reference | {Deposit:: MINING JOURNAL, 2/23/90, P.148}{Deposit:: ENGINEERING AND MINING JOURNAL, 7/90, P.9}{Deposit:: MINING ACTIVITY DIGEST, 7/90, P.8,9}{Deposit:: MINING RECORD, 10/17/90, P.18}{Deposit:: MINING JOURNAL, 10/5/90, P.254}{Deposit:: MINING RECORD, 12/5/90, P.42}{Reserve-Resource:: ENGINEERING AND MINING JOURNAL, 10/90, P.9,41}{Reserve-Resource:: MINING ACTIVITY DIGEST, 10/31/90, P.8} |