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- Deposit:: 1973, P.492-550
- Deposit:: ARGALL, GEORGE, MINING AND EXPLORING FOR MANGANESE ORE IN
- Deposit:: BRAZIL, WORLD MINING, APR. 1979, P. 48-49.
- Deposit:: BARBOSA, OCTAVIO, MANGANESE AT URUCUM, STATE OF MATO GROSSO,
- Deposit:: BRAZIL, SYMPOSIUM DEL MANGANESO XX CONGRESO GEOLOGICO
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- Deposit:: DORRI, J.V., IRON-FORMATION AND ASSOCIATED MANGANESE IN
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- Deposit:: UNESCO, 1973, P. 105-113.
- Deposit:: NATIONAL MINERAL ADVISORY BOARD, MANGANESE RESERVES AND
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