Arizona's Verde Mining District has historically been one of the richest outcroppings of copper ore in the world, with the United Verde and United Verde Extension Mines producing over $4 billion in ...
The Verde Mining district grew to become one of the greatest copper producers in Arizona from 1883 until 1992. Two primary mines produced more than 99% of the district’s copper production: the United ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results