Antrim Co Pit Wiggins & SonProducer • Sand and Gravel, Construction
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Drenth Bros Pit & MillProducer • Sand and Gravel, Construction
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Antrim Co Pits/Tri-Co Sand & StoneProducer • Sand and Gravel, Construction
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Kle* Pit Manthei Dev CorpProducer • Sand and Gravel, Construction
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Jh Kocher Shale PitProspect • Clay
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Unnamed Shale PitPast Producer • Clay
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Ellsworth Shale PitProducer • Clay
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Unnamed Shale ProspectProspect • Clay
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Wilkes PitProducer • Sand and Gravel, Construction
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William W Johnston Clay PitPast Producer • Clay
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Kle* PitProducer • Sand and Gravel, Construction
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Unnamed Shale PitPast Producer • Clay
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Mancelona PitPast Producer • Sand and Gravel, Construction
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Wilsons Farm Shale PitPast Producer • Clay
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Antrim Co Pit Schworm IncProducer • Sand and Gravel, Construction
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