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At 16 level, the ore train would dump rock into the large pit (Grizzly) at the bottom of which was located a jaw crusher. The crusher would send the ore into the ball mill and rod mill where the ore was pulverized to a fine powder.
Inside the ball mill, there would be ore and steel balls, approximately 10 in. in diameter. As the mill rotated, the ore was crushed by the balls. Eventually, the balls would wear down and Bob Riggle remembers his dad...
5. Ore cart
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Dorothy Hughes when she was five years old, standing on a platform at the Belden mill (below the town of Gilman). Mr. Spear, team tender, is standing on the right. Tram tracks are above Spear's head. A mudslide came down the hill and blocked the railway and river. The Hughes family lived at Belden from 1919 to 1922.