Copper Mines Mining Industry

Copper mining in the united states has been a major industry since the rise of the northern michigan copper district in the 1840s.In 2017 the united states produced 1.27 million metric tonnes of copper, worth 8 billion, making it the worlds fourth largest copper producer, after chile, china, and peru.Copper was produced from 23 mines in the us.Top copper producing states in 2014 were in.