Copper mine sounds cool. I should be able to tell if I know the location. We have a fairly good map of the entire US
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Copper mine sounds cool. I should be able to tell if I know the location. We have a fairly good map of the entire US
It was the old Quincy mine up in Hancock, MI. They do tours and stuff. I think Michigan Tech even has classes down there in a classroom they built off one of the adits.