Mina Panelas

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