Crews discovered an 8-inch steel pipe protruding through one of the openings of Bertha the tunnel boring machine today. The Seattle Tunnel Partners aren't ready to say exactly what is blocking Bertha, ...
Add Yahoo as a preferred source to see more of our stories on Google. MACKINAW CITY, Mich. (AP) — A 200-foot-long broken boring pipe remains embedded in the Straits of Mackinac and may not be ...
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