in Wisconsin History
Mining in Northern Wisconsin
Native Americans mined copper on the shores of Lake Superior in prehistoric times. Between 4,000 and 1,200 B.C., copper jewelry and implements from Wisconsin and Upper Michigan were part of a trade network that stretched from the Rocky Mountains to the Gulf Coast, giving rise to the name "Old Copper Culture." You can see several of these artifacts here on the Turning Points site.
Easy access to copper deposits - - some of them literally lying on the shore in huge chunks - - was one the features of Lake Superior first noticed by early French travelers. It was mentioned by... more...