Seattle’s Big Dig
http://www.thenewstribune.com/news/local/story/822857.htmlArticle from The News Tribune describes the tunnel boring machine (TBM) that would be used in the Alaskan Way Viaduct replacement project.
Ben
http://www.thenewstribune.com/news/local/story/822857.htmlArticle from The News Tribune describes the tunnel boring machine (TBM) that would be used in the Alaskan Way Viaduct replacement project.
Ben