2385

Miami Copper Company Mining Sign

Currency:USD Category:Collectibles / Mining Start Price:100.00 USD Estimated At:200.00 - 500.00 USD
Miami Copper Company Mining Sign
SOLD
80.00USDto b*******g+ buyer's premium (16.80)
This item SOLD at 2017 Jul 09 @ 14:25UTC-7 : PDT/MST
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Grey lettering on red enamel, 10 x 7 inches. "Keep Away / Danger / High Voltage Electric Line / Peligro / Miami Copper Co." Located 90 miles east of Phoenix, the Miami Mine is owned by Freeport McMorran. Copper was mined underground until after World War Two, now an open pit operation. The Miami mine is a porphyry copper deposit that has leachable oxide and secondary sulfide mineralization. The predominant oxide copper minerals are chrysocolla, copper-bearing clays, malachite and azurite.

State: Arizona City: HWAC#: 47441 Date: