Copper mining in Michigan
Copper mining in Michigan, Copper mines in Michigan, US
Copper mining in Michigan became an important industry in the 19th and early 20th centuries.
From the beginning of copper mining in Michigan, Native Americans were among the first miners.
There are numerous ghost towns and lost cities that were built during the boom times but now have been abandoned due to copper mining going bust.
The largest mine is the White Pine mine which extended about 4.5 miles under White Pine, Michigan.
Michigan's copper deposits are considered unique because they are found in very pure forms.
Location: Michigan
Source: Wikimedia