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Old Posted Aug 30, 2012, 8:20 PM
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Downtown_Austin Downtown_Austin is offline
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Join Date: Nov 2008
Location: Austin, Texas
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Quote:
Originally Posted by the Genral View Post
Wow, what an opportunity DAB. I was kind of expecting one of those big tunnel boring rigs like they used on the English Channel Tunnel.
I was hoping to see that, too. It's amazing how much they've mined with the boring machine they were using. It goes back and forth like a dot matrix printer, chipping away limestone with each pass.
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