Copper Mine Copper mining in the United States has been a major industry since the rise of the northern Michigan copper district in the 1840s. In 2014 the United States produced 1.37 million metric tonnes of copper, worth $9.7 billion, making it the world's fourth largest copper producer, after Chile, China, and Peru. This rich copper color bowtie in the Jackson Shape is a fashion forward bowtie. For those who wear tailored shirts and suites. High quality silk.