| Reference | {Deposit:: LEFOND, S.J., 1973, BRAZILIAN MINING: RELAXED GOVT ATTITUDE}{Deposit:: THE WAY FOR EXPLOITING CRITICAL RESERVES: MIN. ENG., V.2}{Deposit:: PP. 31-45.}{Deposit:: ROCHE, A.J.D., 1973, PERFIL ANALITICO DO CHUMBO: DNPM BOLETI}{Deposit:: RIO DE JANEIRO, 76 P.}{Deposit:: AUGUST 25, 1975: GUARANYS, M.Y., AND VELASCO, A.I., 1949, AR}{Deposit:: FEROUS GALENA MINE OF PANELAS DE BREJAUVAS [PORT.]: D.N.P.M.}{Deposit:: FOM. PROD. MIN., BOL. NO. BY, MAPS, TABLES, PLATES, 116 P.}{Deposit:: DOURADO ROCHA, A.J., 1973, AMALYTICAL PROFILE OF LEAD [PORT.}{Deposit:: P.M., MIN. MIN. ENER., BOL. NO.8, MAPS, TAB., 74 P.}{Deposit:: BASIC DOCUMENT, 1970, CONTRIBUTION TO THE GEO-ECONOMIC DEVEL}{Deposit:: OF SAD PAOLO AND PARANA [PORT.]: D.N.P.M., MIN. MIN. ENER.,}{Deposit:: PUB. NO. 10, 111 P. (AUTHOR: PINTO COELHO, FRANCISCO DAS CHA} |