File:Steel building pgh.jpg - Wikipedia
History of the iron and steel industry in the United States - Wikipedia
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U.S. Steel - Wikipedia
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The Southeast Historical Society -- IHACCR -- Image 5
U. S. Steel Košice, s.r.o. - Wikipedia
U.S. Steel - Wikipedia
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Wiki: Vats – CheeseForum.org
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File:Košice, U.S. Steel administratívna budova.jpg - Wikimedia Commons
Former Location of Geneva Steel
