| Reference | {Deposit:: U.S. STATE DEPT. AIRGRAM FROM U.S. EMBASSY IN LIMA, DEC. 21,}{Deposit:: 1978, P.52.}{Deposit:: ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF}{Deposit:: MINING AND MINERAL PROCESSING OPERATIONS. PERU. MCGRAW-}{Deposit:: HILL, INC., NEW YORK, 1978, P. 324.}{Deposit:: RIO TINTO ZINC MINING COST ANALYSIS SYSTEM. LEAD AND ZINC}{Deposit:: MINES OF THE WORLD. SUMMARY OF PRODUCERS (PB). MARCH 25,}{Deposit:: 1975, P. 19.}{Deposit:: MINES OF THE WORLD. SUMMARY OF PRODUCERS (ZN). MARCH 25,}{Deposit:: 1975, P. 20.} |