Documents Since 1970, Pittsburgh has had bragging rights to a site that is singular in the entire world.

Slide 1 Since 1970, Pittsburgh has had bragging rights to a site that is singular in the entire world. The problem is, nobody realized it. At 64 stories, the U. S. Steel…

Documents Since 1970, Pittsburgh has had bragging rights to a site that is singular in the entire world.

Slide 1 Since 1970, Pittsburgh has had bragging rights to a site that is singular in the entire world. The problem is, nobody realized it. At 64 stories, the U. S. Steel…