Sawmill Grinders And Old Piers: A Historian Talks About What Could Be in Bertha's Path
Previous development of Seattle's waterfront may have left behind impediments to Bertha, the SR 99 tunneling machine.
Flickr Photo/Tender Young Pony of Insomnia
Marcie Sillman talks with Jennifer Ott of HistoryLink.org about one possible cause of the SR 99 tunneling machine’s blockage: leftovers from Seattle's historical waterfront development.
For other, more humorous, theories check out our What's Blocking Bertha? compilation.
