Hunt Lake PitProducer • Sand and Gravel, Construction
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Producers Core Sand Co PitPast Producer • Sand and Gravel, Construction
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Michigan City Eng.Producer • Stone
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Laporte City Eng.Producer • Stone
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Michigan City PlantProducer • Silica
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Hanna GravelProducer • Sand and Gravel, Construction
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Webb Sand and GravelProducer • Sand and Gravel, Construction
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Satoski Marl PitPast Producer • Limestone, General
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Sheridan Ave PitProducer • Sand and Gravel, Construction
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