ironworks 38

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Katahdin Ironworks

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Katahdin Ironworks

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Red Wing Iron Works

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Hastings Foundry-Star Iron ...

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Midwest Steel and Iron Work...

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Oregon Iron Company Furnace

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Long Pond Ironworks

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Oakland Iron Works-United W...

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Orr Iron Company

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Iowa Malleable Iron Company

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Bourbon Iron Works

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Sherman Machine and Iron Wo...

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Cornwall Iron Furnace

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Tri State Iron Works

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Tri State Iron Works

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Old Irontown

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La Belle Iron Works

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Tredegar Iron Works