The frozen Allegheny and the Pittsburgh skyline on the day of the parade.

December 31, 1969
 
 
 
The frozen Allegheny and the Pittsburgh skyline on the day of the parade.
The frozen Allegheny and the Pittsburgh skyline on the day of the parade.
This photograph is part of the PittsburghSkyline.com series "Superbowl 43 Champion Pittsburgh Steelers Parade and Celebration ".