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Mining in Arizona AZGS

a brief history of mining operations in pima county

Arizona Mining Minerals Copper A Primer By the 1870’s a plethora of hardrock mines were yielding prodigious volumes of copper lead zinc silver and gold ore In 1912 the newly christened state of Arizona supported 445 active mines 72 concentrating facilities and 11 smelters with a gross value of nearly 67 million dollars equivalent to14 billion dollars in 2006 dollars

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