North Lake CityProspect • Phosphorus-Phosphates
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North Columbia County #2Prospect • Phosphorus-Phosphates
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North Columbia DepositProspect • Phosphorus-Phosphates
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Deep CreekProspect • Phosphorus-Phosphates
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Columbia County # 1 DepositProspect • Phosphorus-Phosphates
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Anderson Mining Corporation - Columbia CityProducer • Limestone, General
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Anderson-Columbia City MineProducer • Limestone, General
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Limerock Industries - Columbia City/Kirby MineProducer • Limestone, General
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