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U.S. Steel Tower - Wikipedia
Construction of the US Steel Building, ca. 1969 - PITTSBURGH,PENNSYLVANIA | Pittsburgh city, Pittsburgh pennsylvania, Pittsburgh
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Tentative Deal Reached for Pittsburgh's U.S. Steel Tower - WSJ
Concept for the United States Steel Building | Historic Pittsburgh
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The US Steel Tower, a lasting beacon on the Pittsburgh skyline and legacy of Andrew Carnegie | Double Stone Steel
U.S. Steel Tower sale could signal returning market - Pittsburgh Business Times
Iconic U.S. Steel Tower Earns Energy Star Certification
The US Steel Tower, a lasting beacon on the Pittsburgh skyline and legacy of Andrew Carnegie | Double Stone Steel
Atlanta investment firm acquiring big stake in U.S. Steel Tower | Pittsburgh Post-Gazette
U.S. Steel Tower - The Skyscraper Center
U.S. Steel Tower - Wikipedia
