| Reference | {Deposit:: RIO TINTO ZINC MINING COST ANALYSIS SYSTEM, PROFORMA}{Deposit:: ANALYSIS, MAY 27, 1975, 267 P.}{Deposit:: STAFF, ENGINEERING AND MINING JOURNAL INTERNATIONAL}{Deposit:: DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS,}{Deposit:: NEW YORK, MCGRAW-HILL, 1978, P. 314.}{Deposit:: THE WORLD-WIDE DIRECTORY OF MINING AND MINERAL PROCESSING}{Deposit:: OPERATIONS, 1976-77, P. 117.}{Deposit:: NEW YORK, MCGRAW-HILL, 1976, P. 255.}{Reserve-Resource:: STAFF, MINING ANALYSIS SYSTEM ECONOMIC PLANNING RTZ, 1975,}{Reserve-Resource:: P. 267.} |