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Andrew Carnegie
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Pittsburgh Carnegie Steel Mill Tour – Networking Witches
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Industrial buildings tell Pittsburgh's story. Preserving them is costly and takes dedication. - PublicSource
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CARNEGIE STEEL MILL, c.1905 Carnegie Steel Works in Homestead, Pennsylvania. Photograph, c.1905.
Carnegie Steel Plant, Homestead, Pa. | Library of Congress
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Carnegie Steel Mills, 33rd Street Pittsburgh, PA
Carnegie Steel: Building a Modern America - Technology and Operations Management
Shorpy Historical Photo Archive :: Carnegie Steel: 1905 | Carnegie steel, Steel mill, Shorpy historical photos
PA, Pittsburgh, Pennsylvania, Carnegie Steel Mill, Pittsburgh News Pub No B11058 | eBay
How Andrew Carnegie's Genius and Blue-Collar Grit Made Pittsburgh the Steel City | What It Means to Be American
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![Carnegie Steel Company, "Lucy" furnace, Pittsburgh, Pa.] | Library of Congress](http://tile.loc.gov/storage-services/service/pnp/det/4a10000/4a19000/4a19400/4a19413v.jpg "Carnegie Steel Company, \"Lucy\" furnace, Pittsburgh, Pa.] | Library of Congress")