Posted by Jared Shepherd
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- September 20th, 2013
- in Miscellaneous
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When our tunnel boring machine Mackenzie finished digging the Euclid Creek Tunnel late last month, she did so on-line, ahead of schedule, and under budget. It’s likely some of the money she saved will go towards a new paint job. Digging through three miles of shale 200 feet under...
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