| Reference | {Deposit:: PERSONAL COMMUNICATION.}{Deposit:: MINING MAGAZINE, P. 151 (AUG. 1984).}{Deposit:: INTERNATIONAL MINING, P. 13 (OCT. 1984).}{Deposit:: SKILLING*MINING REVIEW, P. 4 (JAN. 1987).}{Deposit:: INTERNATIONAL MINING, P. 15 (NOV. 1987).}{Deposit:: MINING JOURNAL, P. 334 (OCT. 28, 1988).}{Deposit:: SKILLING*MINING REVIEW, P. 4 (NOV. 26, 1988).}{Deposit:: ENGINEERING AND MINING JOURNAL, P. 22 (FEB. 1989).}{Deposit:: SKILLING*MINING REVIEW, P. 7 (MAR. 25, 1989).}{Deposit:: WORLD MINING EQUIPMENT, P. 52 (MAY 1989).}{Deposit:: INTERNATIONAL MINING, P. 11 (MAY 1989).}{Deposit:: MINING JOURNAL, P. 390 (MAY 19, 1989).}{Deposit:: RTZ CORP., LETTER FROM P.C.F. CROWSON (JUNE 16, 1989).}{Deposit:: METAL BULLETIN MONTHLY, P. 6 (AUG. 1989).}{Deposit:: ENGINEERING AND MINING JOURNAL, P. 48 (AUG. 1989).}{Deposit:: MINING MAGAZINE, P. 184 (SEPT. 1989).}{Deposit:: METALS WEEK, PP. 1, 2 (MAY 21, 1990).}{Deposit:: DEPARTMENT OF STATE TELEGRAM (OCT. 1990).}{Deposit:: SOMINCOR, P. 14 (MAR. 1989).}{Deposit:: SOMINCOR, P. 12 (1991 ANNUAL REPORT).}{Deposit:: SOMINCOR, P. 14 (1992 ANNUAL REPORT).}{Deposit:: METALS WEEK, P. 2 (FEB. 15, 1993).}{Geology:: LECA, XAVIER, LA DECOUVERTE DES AMAS SULFURES CACHES DE}{Geology:: NEVES-CORVO (SUD DU PORTUGAL). ESSAI DE METHODOLOGIE,}{Geology:: CHRON. RECH. MIN., NO. 479, 1985, P.51-62.}{Geology:: ALBOUY, L., L.N. CONDE, F. FOGLIERINI, X. LECA, A. MORIKIS,}{Geology:: LE GISEMENT DE SULFURES MASSIFS POLYMETALLIQUES DE NEVES-}{Geology:: CORVO (BAIXO ALENTEJO, SUD PORTUGAL), CHRONIQUE DE LA}{Geology:: RECHERCHE MINIERE, NO. 460, 1981, P.5-27.}{Production:: MINING WORLD, P. 12 (MAY 21, 1990).}{Production:: METAL BULLETIN, P. 12 (FEB. 18, 1993).}{Reserve-Resource:: METAL BULLETIN MONTHLY, SOMINCO* NEVES-CORVO GETS}{Reserve-Resource:: UNDERWAY, AUG. 1989 P. 6-9}{Reserve-Resource:: BROOK HUNT & ASSOCIATES LIMITED, EUROPEAN & AFRICAN}{Reserve-Resource:: COPPER MINES COST STUDY (1988-1995), VOL. 3, P. 162 (1992)}{Reserve-Resource:: RTZ CORP., 1993 20F, P.12.}{Reserve-Resource:: RTZ CORP., 1994 20-F, P.13,14.} |