Category:Construction of U.S. Steel Tower

Media in category "Construction of U.S. Steel Tower"

The following 2 files are in this category, out of 2 total.

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  DETAIL VIEW OF SOUTH KEYSTONE PORTAL, VIEW NORTH - Pittsburgh and Steubenville Extension Railroad Tunnel, Between Fifth and Sixth Streets, East of Grant Street, Pittsburgh, HAER PA,2-PITBU,60-2.tif 5,000 × 3,963; 18.9 MB
  
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  Hugh llewelyn 4296 (5961576142).jpg 5,040 × 3,360; 1 MB