ON THIS DAY: March 15, 1967, U.S. Steel Tower groundbreaking – WPXI
U.S. Steel Tower -
Pittsburgh Then and Now: Downtown's Tallest Skyscraper | Pittsburgh Magazine
U.S. Steel Tower - Wikipedia
Concept for the United States Steel Building | Historic Pittsburgh
U.S. Steel Tower might no longer be for sale | Pittsburgh Post-Gazette
U.S. Steel Tower -
600 Grant St, Pittsburgh, PA 15219 - U. S. Steel Tower | LoopNet
U.S. Steel Tower - The Skyscraper Center
U.S. Steel Building | Historic Pittsburgh
The Steel Building — Michael Tessler Photography
U.S. Steel Tower (Pittsburgh, 1971) | Structurae
U.S. Steel Tower -
The US Steel Tower, a lasting beacon on the Pittsburgh skyline and legacy of Andrew Carnegie | Double Stone Steel
U.S. Steel Tower - The Skyscraper Center
U.S. Steel Tower Visitor's Guide - CBS Pittsburgh
U.S. Steel Tower In Downtown Pittsburgh Lights Up To Promote Heisman Campaign Of Pitt QB Kenny Pickett - CBS Pittsburgh
New Office Retreat and Steel Garden in Downtown - Downtown Pittsburgh
United States Steel Building - USX Tower
601W Lands $245M Debt Package to Refinance U.S. Steel Tower in Pittsburgh – Commercial Observer
U.S. Steel Tower (Pittsburgh, 1971) | Structurae
PA Environment Digest Blog: Pittsburgh's U.S. Steel Tower Becomes 2nd Largest Building In The World to Achieve LEED Silver Certification For O+M
U.S. Steel announces new headquarters in Lower Hill Redevelopment site
U.S. Steel Tower (Pittsburgh, 1971) | Structurae
U.S. Steel Tower - Wikipedia
