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    • Ball Mill, Bradley Mine, Stibinite, Mines

    • Mining; Mining equipment; Mine buildings; Mills; Ore industry; Wooden buildings;
    • Ball mill at the Bradley Mine mill at Stibnite in Valley County, Idaho circa 1940. This photo gives a close up view of the ball mills which are used to crush ore. The opening and trough where crushed ore exits the mill is clearly shown in the...
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