Kaul Clay Company PitPast Producer • Clay
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Dando MinePast Producer • Clay
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Irondale Works MinePast Producer • Clay
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Standard Clay PitPast Producer • Clay
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(Facility) Steubenville SmelterPlant • Chromium, Iron
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Wheeling-Pgh/ Mingo Junction, OhioProducer • Iron
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Standard Clay PitPast Producer • Clay
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Ohio Ferro-Alloys/ Brilliant, OhioProducer • Zirconium
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Dando MinePast Producer • Clay
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Irondale MineProducer • Clay
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Wheeling-Pittsburgh/ SteubenvilleProducer • Iron
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