| Reference | {Deposit:: LEFOND, S.J., 1973, BRAZILIAN MINING: RELAXED GOVT. ATTITUDE}{Deposit:: THE WAY FOR EXPLOITING CRITICAL RESERVES: MIN. ENG., V.2}{Deposit:: PG.31-45.}{Deposit:: PATTERSON, S.H., 1967, BAUXITE RESERVES AND POTENTIAL ALUMIN}{Deposit:: OURCES OF THE WORLD: USGS BULL.1228.} |