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Carnegie Steel Company - Wikipedia
File:Metalwork, abandoned US Steel iron mill (8907655571).jpg - Wikipedia
The United States Steel Hour - Wikipedia
Steelmaking - Wikipedia
Pittsburgh-Des Moines Steel Co. - Wikipedia
Duquesne, Pennsylvania - Wikipedia
Max Steel (film) - Wikipedia
U.S. Steel - Wikipedia
US Steel temporarily halts Indiana mill's steelmaking; lake ice leaves mill without iron ore
National Steel and Shipbuilding Company - Wikipedia
Bleeding Steel - Wikipedia
U.S. Steel - Wikipedia
U.S. Steel - Wikipedia
Gary Works - Wikipedia
U.S. Steel Yard - Wikipedia
1943 steel cent - Wikipedia
History of the iron and steel industry in the United States - Wikipedia
U.S. Steel - Wikipedia
U.S. Steel Yard - Wikipedia
File:Carrie Furnace No. 7, U.S. Steel Homestead Works, Blast Furnace Plant, Along Monongahela River, Homestead (Allegheny County, Pennsylvania).jpg - Wikipedia
Pittsburgh Crèche - Wikipedia
Steel strike of 1919 - Wikipedia
Steel - Wikipedia
Gulf Tower - Wikipedia
File:Košice, U.S. Steel administratívna budova.jpg - Wikimedia Commons