Black Jack Tunnel, Black Jack Mine, Mammoth, Tintic Mining D

Black Jack Tunnel, Black Jack Mine, Mammoth, Tintic Mining District, Juab County, Utah, USA : Structure: Northeast Fissures Deposit: Strong fissures, followed S, SW for 700 feet on 1400 level failed to yield substantial ore. Discovery year: 1880's Development: Boston tintic incline nearby ...

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