United States Steel Building - USX Tower
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ON THIS DAY: March 15, 1967, U.S. Steel Tower groundbreaking – WPXI
U.S. Steel Tower - Wikipedia
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![Structurae [en]: U.S. Steel Tower](https://files.structurae.net/files/photos/5256/2019-09-18/dsc04576.jpeg "Structurae [en]: U.S. Steel Tower")
Structurae [en]: U.S. Steel Tower
U.S. Steel Tower -
The Steel Building — Michael Tessler Photography - Phoenix and Las Vegas Architectural Photography
U.S. Steel Tower -
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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 - The Skyscraper Center
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Construction of the US Steel Building, ca. 1969 - PITTSBURGH,PENNSYLVANIA | Pittsburgh city, Pittsburgh pennsylvania, Pittsburgh
U.S. Steel Tower - The Skyscraper Center
Concept for the United States Steel Building | Historic Pittsburgh
U.S. Steel announces new headquarters in Lower Hill Redevelopment site
MMM - U.S. Steel Tower and PPG Place are Engineering Marvels in Pittsburgh - METALCON 2023
