| References: |
- Deposit:: PURSER, W.F., METAL MINING IN PERU, PAST AND PRESENT,
- Deposit:: PRAEGER, PUBLISHERS, NEW YORK, 1971, P. 144.
- Deposit:: AIRGRAM FROM U.S. EMBASSY, LIMA TO DEPT. OF STATE, DEC. 21,
- Deposit:: 1979.
- Deposit:: AMERICAN METAL MARKET, APRIL 4, 1984.
- Deposit:: LATIN AMERICAN NEWS LETTER, VOL 9, NO. 5, P. 6.
- Deposit:: PRODUCTION COST UPDATE, 6/30/84, P.9.
- Reserve-Resource:: U.S. EMBASSY, INDUSTRIAL OUTLOOK REPORT-PERU-MINERALS, 1989,
- Reserve-Resource:: PART 1 NARRATIVE SUPPLEMENT, MAY 1990, P. 7.
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