Keywords: Oldhotmetalconduit.jpg Hot Metal Bridge formerly used by Jones and Laughlin to transport steel across the Monongahela River en wikipedia 2006-12-29 PixOnTrax wikipedia en PixOnTrax Original upload log en wikipedia Oldhotmetalconduit jpg wikitable - 2006-12-29 03 35 2560×1920× 1330316 bytes PixOnTrax <nowiki>PixOnTrax </nowiki> Hot Metal bridge 2006 in Pittsburgh |