Mining - WikipediaMining is the extraction of valuable minerals or other geological materials from the earth from . Mining of stones and metal has been a human activity since pre-historic times .. the water table and dewatered the mines using several kinds of machines, .. There are ancient, prehistoric copper mines along Lake Superior, and.historic copper mining machines,Mining Headframe Butte Montana Historic Copper Mining Town .Mar 3, 2013 . Mining Headframe Butte Montana Historic Copper Mining Town . here to check out all of the old mining equipment and historic scenery.
historic copper mining machines