When it comes to mining in Michigan, iron and copper tend to get top billing. However, I’ve discovered recently that gold can be found throughout the entire state. A good example is the Ropes Mine ...
Northeastern Minnesota's earth is full of in-demand minerals and metals. Taconite, copper, nickel, cobalt, gold, platinum group metals, and more.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results