This four-page undergraduate paper discusses the Ray Copper Mine in Arizona. Arizona is the largest producer of copper in USA. There are some other states where copper reserves have been discovered but Arizona by far remains the leading copper-producing state accounting for 65 percent of the total US copper-production. Copper and its by-products represent over 80 percent of Arizona's nonfuel mineral value. It should be noted that 1997 production from Arizona copper mines was near an all-time high of 2.7 billion pounds with a value of $2.93 billion. 4 pgs. Bibliography lists 4 sources.
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