Several gold deposits have been discovered over the years.
- By William Ascarza Special to the Arizona Daily Star
Owned by renowned mining magnate, it operated between 1882 and 1927.
- By William Ascarza Special to the Arizona Daily Star
Town destroyed by fire in an hour in 1889.
- By William Ascarza Special to the Arizona Daily Star
Gadsden Purchase brought land south of the river into the U.S.
- By William Ascarza Special to the Arizona Daily Star
Mining in the Galiuro Mountains site dates back to the 1863.
- By William Ascarza For the Arizona Daily Star
Mission, Twin Buttes were first major ore bodies here found by geophysical methods.
- By William Ascarza Special to the Arizona Daily Star
Some stops eventually became bustling towns.
Powered by various means, machines made mining easier and more prosperous.
Harquahala Mountains had abundant gold, and water, too
Workers dug up millions of dollars' worth of gold and turquoise.
Mining companies cashed in on area's potash, helium and more.
REEs are used in smartphones, computers, wind turbines and more.
Highly collectable specimens were found at site.
Miners dug deep to get to ore reserves.
Early explorers found vast caches of silver here.
Mining has declined with falling prices, increased regulation.
Early mines were tough places, and the Tip Top Mine was one of the wildest.
Bradshaw Mountains were fruitful for miners; today, area draws lots of visitors.
The controversial bill has been tucked into a "must-pass" national defense spending bill.
Old Pueblo played a big part in early mining.
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Inclines helped move ore downhill.
Morenci, Metcalf open pit mines continue to operate to this day.
The Clifton-Morenci district was Arizona’s first major copper-producing region.
Arizona's mining history marked by labor issues.
Tungsten’s hardness at elevated temperatures, tensile strength, corrosion resistance and good electrical and thermal conductivity make it a metal of choice used in industry. Tungsten has the highest melting point of all metals, at 6,170 degrees Fahrenheit (3,410 Celsius).
Asbestos mines were profitable before they were banned.
Klondyke-area miners survived Apaches, cattle rustlers, outlaws.
Challenges facing early Arizona lines included steep gradients.