Question #1. Domestic mine production of copper in 2009 declinedby about 9% to 1.2 million tons and its value fell to about $6.2billion. The principal mining States, in descending order ofproduction— Arizona, Utah, New Mexico, Nevada, andMontana—accounted for more than 99% of domestic production; copperalso was recovered at mines in Idaho and Missouri. Although copperwas recovered at 29 mines operating in the United States, 20 minesaccounted for about 99% of production. Recent assessments of copperresources indicated 550 million tons of copper remaining inidentified and undiscovered resources in the United States8 and 1.3billion tons of copper in discovered, mined, and undiscoveredresources
PayPal Gateway not configured
PayPal Gateway not configured