The Edgar Thomson Steel Works were founded in 1872 by Andrew Carnegie and are the last integrated steel mill in Pennsylvania today.
The mill is owned by US Steel and known as Mon Valley works.
Moreover the blast furnaces 1&3 are the oldest active furnaces in entire USA. The mill employs over 900 workers.
Keywords: edgar thomson steel works, mon valley works, andrew carnegie, braddock, pennsylvania, pittsburgh, usa, železárny, ocelárna, vysoká pec, blast furnace, hochofen, steelworks, steel mill, industrial architecture
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