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.
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Chemistry for Kids: Elements Copper Ducksters- where do we get the machinery of copper mining ,Kids learn about the element copper and its chemistry including atomic weight, atom, uses, sources, name, and discovery Plus properties,The number one producer of mined copper is Chile who produces around 33% of the world's mined