| Reference | {Deposit:: ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF}{Deposit:: MINING AND MINERAL PROCESSING OPERATIONS. PERU. MCGRAW-}{Deposit:: HILL, INC., 1978, P. 325.}{Deposit:: RIO TINTO ZINC MINING COST ANALYSIS SYSTEM. LEAD AND ZINC}{Deposit:: MINES OF THE WORLD. SUMMARY OF PRODUCERS (PB). V. 1,}{Deposit:: MARCH 25, 1975, P. 19.}{Deposit:: RIO TINTO ZINC MINING COST ANALYSIS SYSTEM, SUMMARY OF}{Deposit:: PRODUCERS. 1975. OTHER INFORMATION NOT KNOWN.} |