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re: Now Closed: I'll answer any question you have about ROCKS!

Posted on 7/10/14 at 4:23 pm to
Posted by dafuqusay
Houston
Member since Mar 2014
773 posts
Posted on 7/10/14 at 4:23 pm to
I used to work next door to the Detroit Salt Mine Co. I have heard that their tunnels run all the way to New York. If they have been mining forever, what is the liklihood the earths surface will collapse?
Posted by Pectus
Internet
Member since Apr 2010
67302 posts
Posted on 7/10/14 at 4:28 pm to
quote:

I used to work next door to the Detroit Salt Mine Co. I have heard that their tunnels run all the way to New York. If they have been mining forever, what is the liklihood the earths surface will collapse?


Rocks are great at bearing loads. Like really good.

Mines with tunnels that long are probably small tunnels, so it will stay for a long while.
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