This talk on the demolition of Building 7 --
the third skyscraper to collapse on 9/11/01 --
was first presented by Jim Hoffman
on October 17th, 2003, at CellSpace in San Francisco, California.
Most of this talk is incorporated into the later talk
The World Trade Center Demolition.
The entire website
WTC7.net
is devoted to the subject of Building 7.