Morton Salt Co--Marysville, Mich.Past Producer • Salt
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Strauchman PitProducer • Sand and Gravel, Construction
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Click Pit & MillProducer • Sand and Gravel, Construction
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Diamond Crystal Salt CompanyProducer • Salt
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St Clair County Road Commission PitProducer • Sand and Gravel, Construction
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Smock PitProducer • Sand and Gravel, Construction
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W.Avoca Clay SampleProspect • Fire Clay (Refractory)
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W.River Clay SampleProspect • Fire Clay (Refractory)
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St Clair County Road Commission PitProducer • Sand and Gravel, Construction
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St Clair County Road Commission PitProducer • Sand and Gravel, Construction
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Englema* Clay PitPast Producer • Fire Clay (Refractory)
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Shriner Brick Co.Clay PitPast Producer • Fire Clay (Refractory)
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Port Huron Salt Co.Past Producer • Salt
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Amcord Cement Co. PitProducer • Clay
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Morton Salt Co--Port Huron, Mich.Past Producer • Salt
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St. Clair Salt MineProducer • Halite
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