Max Wiggins and Sons PitProducer • Sand and Gravel, Construction
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State of Michigan PitProducer • Sand and Gravel, Construction
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Minthor* Clay PitPast Producer • Fire Clay (Refractory)
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Cotter Clay PitPast Producer • Fire Clay (Refractory)
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Gilde & Helsel Pit & MillProducer • Sand and Gravel, Construction
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Myers PitProducer • Sand and Gravel, Construction
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State of Michigan PitProducer • Sand and Gravel, Construction
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