| References: |
- Deposit:: AIRGRAM FROM U.S. EMBASSY IN LIMA, DEC. 21, 1978
- Deposit:: FREEMAN PUBLICATIONS, INC., SAN FRANCISCO, 1979, P. 152.
- Deposit:: RIO TINTO ZINC MINING ANALYSIS SYSTEM. LEAD AND ZINC MINES
- Deposit:: OF THE WORLD (ZINC). MARCH 25, 1975, P. 22.
- Deposit:: OF THE WORLD (LEAD). MARCH 25, 1975, P. 21.
- Deposit:: ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY OF
- Deposit:: MINING AND MINERAL PROCESSING OPERATIONS. PERU. MCGRAW-
- Deposit:: HILL, INC., NEW YORK, 1978, P. 328.
- Deposit:: RIO TINTO ZINC MINING COST ANALYSIS SYSTEM. PERFORMANCE
- Deposit:: ANALYSIS. FEBRUARY 25, 1975, P. 264, 292, 411.
|