East Chicago Plant-Energy Coop.Unknown • Sulfur
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(Facility) Us Steel Lead Smeltr & RefineryPlant • Antimony, Lead
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M & W DredgeProducer • Sand and Gravel, Construction
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Buffington Cement PlantProducer • Stone
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Yard M Clay PitProducer • Clay
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J & L Steel/ Indiana Harbor WorksUnknown • Iron
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Natl. Briquette Corp. PlantProducer • Fluorine-Fluorite
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Gary #8 PlantPlant • Clay
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East Chicago Plant-U.S. Gypsum Co.Plant • Gypsum-Anhydrite
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Dean H. Mitchell Generating StationPlant • Sulfur
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Samoki Brothers Sand PitPast Producer • Sand and Gravel, Construction
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Harbison-Walker/ Hammond, Ind.Producer • Chromium
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Indiana Harbor LimekilnPlant • Limestone, General
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Buffington Lime PlantProducer • Limestone, General
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(Facility) Amoco/ Whiting RefineryPlant • Sulfur
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Northern Indiana Stone QuarryPast Producer • Stone, Crushed/Broken
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Lake Co. Hwy. Dept.Producer • Stone
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Gary #1 PlantPlant • Clay
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