Quote:
Originally Posted by WarrenC12
From an environmental standpoint, I can't see it being an acceptable plan to just leave it to nature...
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I agree with you there.
Wikipedia actually has a link to a 1959 popular mechanics article about the tunnel that is archived by google. Apparently it was the first prefabbed and then sunk tunnel ever constructed.
http://books.google.com/books?id=vtsDAAA...num=3&ved=0CDgQ6AEwAg#v=onepage&q&f=true
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