September 12, 2001 12:00 p.m. EST: Ground Zero Clean-up Begins
New York City construction firms begin cleaning up debris at the World Trade Center site that was strewn over a 12-block area. [New York City Construction News, 9/12/2001]
New York City construction firms begin cleaning up debris at the World Trade Center site that was strewn over a 12-block area. [New York City Construction News, 9/12/2001]