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Name: Seattle's Big Bertha tunnel drill blocked by mystery object
Uploaded: 2013-12-17T15:59:52.000Z
Duration: 2 min 21 s
Description: Something is blocking a massive drill from carving out a new future for Seattle's commuters. John Blackstone reports on a mysterious problem encountered by the Emerald City's version of the "big dig."

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Published Dec 17, 2013

Channel CBS This Morning

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Something is blocking a massive drill from carving out a new future for Seattle's commuters. John Blackstone reports on a mysterious problem encountered by the Emerald City's version of the "big dig."