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622.3340968257 (2) |
Coal mines and mining -- South Africa -- Limpopo (2) |
Mines and mineral resources -- South Africa -- Limpopo (2) |
Bituminous Coal (1) |
Coal -- Environmental aspects (1) |
Coal mine waste -- South Africa -- Limpopo (1) |
Coal preparation -- South Africa -- Limpopo (1) |
Coal washing -- South Africa -- Limpopo (1) |
Devolatization (1) |
Environmental impact analysis -- South Africa -- Limpopo. (1) |
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