Coroccohuayco

"PROYECTO COROCCOHUAYCO", MINERO-PERU'S REPORT NO.ADM-247/79, 1979? (MAFO'S FIFLE ON COROCCOHUAYCO PROPERTY).GOLDER ASSOCIATES: DEPOSIT PROFILE COROCCOHUAYCO,PERU. PRE-PARED FOR THE U.S. BUREAU OF MINES (MINERAL AVAILABILITYSYSTEM), MARCH 1980, 10 PAGES.MINING ACTIVITY DIGEST, 9/25/87, P.3.MINERALS AND MATERIALS, APR./MAY, 1987, P.32.INTERNATIONAL MINING, 4/88, P.100.LATIM AM. MINING LETTER, VOL.9, NO. 6, 6/30/90, P 8.MINING JOURNAL 3/30/84 P.211.MINING MAGAZINE, 6/92, P.378.MINERO PERU, INVESTMENT OPPORTUNITIES- COROCCOHUAYCO, 1991,P.22MAGMA MINING CO., 1994 10-K, P.20.ENGINEERING AND MINING JOURNAL, 12/94, P.WW-1.