Search Results for: Prehistoric Copper Mining In Michigan

Isle Royale and the counties that line the northwest coast of Michigan’s Upper Peninsula are called Copper Country because of the rich deposits of native copp

"Discusses how nineteenth-century explorers and miners discovered evidence of prehistoric copper mining in the Upper Peninsula of Michigan and how that discover

"Discusses how nineteenth-century explorers and miners discovered evidence of prehistoric copper mining in the Upper Peninsula of Michigan and how that discover