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| 622.2920968257 (1) |
| Environmental impacts (1) |
| Mines and mineral resources -- South Africa -- Limpopo (1) |
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| Sand and gravel mines and mining -- South Africa -- Limpopo (1) |
| Sand and gravel mining (1) |
| Strip mining -- South Africa -- Limpopo (1) |
| Sustainable mining (1) |
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