On Monday, July 24, Seth Cohn joined Gardner to discuss his piece in the Concord Monitor's Blog site. he also mentioned that the glorious Big Dig Ceiling Bolts were at times held in place by DUCT TAPE.

For more, visit these sites:

Seth's Piece: http://www.conmon.com/drupal/blog_entry/seth_cohn/keeping_mitts_mitts_of...

For info on the Duct Tape Tunnels:
http://news.bostonherald.com/localRegional/view.bg?articleid=149395