| Reference | {Deposit:: 1978 ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY}{Deposit:: OF MINING AND MINERAL PROCESSING OPERATIONS, NEW}{Deposit:: YORK, MCGRAW-HILL, 1978, P. 81, 314.}{Deposit:: RIO TINTO ZINC MINING COST ANALYSIS SYSTEM, PROFORM}{Deposit:: ANALYSIS, JUNE 10, 1975, 83 P.} |