Sawmill Grinders And Old Piers: A Historian Talks About What Could Be in Bertha's Path

Dec 12, 2013

Marcie Sillman talks with Jennifer Ott of 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.