SUPERIOR, Ariz. (AP) — An Arizona mining company announced Friday it will suspend shaft and drilling work at its Superior operation and eliminate about 400 jobs, saying the moves are the result of ...
Copper jobs, however, dropped from 28,000 in about 1974 to about 10,000 in 2008. • In 1974, it took 35 workers to produce 1,000 tons of copper in Arizona. In 2003, it took seven workers to produce the ...
"We are saddened that we must take these steps. However, copper prices are cyclical and we must respond to the current market conditions," Freeport spokesman Richard Peterson said in an e-mail. "We ...
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