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21. Repair shop
22. Repair shop
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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...
25. Machinery
31. Belden
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Documenting the landslide onto the D&RG tracks in Eagle River Canyon. The numbers on the photo correspond to the descriptions below. The old mill is at far right.
Verso: "1. New House Station on tram; 2. Eagle River; 3. Slide on D&RG; 4. An old mill, note the cribbing underneath the building" [written by Tom Knight]
33. Repair shop
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Documenting the landslide onto the D&RG tracks in Eagle River Canyon. The numbers on the photo correspond to the descriptions below.
Verso: "1. Compressor house; 2. Tram landing; 3. New House tunnel station on tram; I am working on a level with the New House Tunnel, but about ½ miles in the Mtn. Notice how steep the tram is; it's steeper yet before it reaches Gilman." [written by Tom Knight]
35. Zinc dryer
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The dryer building for zinc is at the far right. The zinc slurry would be heated and dried, leaving a very fine zinc powder. The powder was shipped in sealed box cars as it was so fine it would blow away in an open car. The rail line for shipping runs through the Eagle River Canyon (Belden area) so the final products for shipping were finished at this level.
38. Ore cart
39. Abandoned drift
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"All horizontal or subhorizontal development openings made in a mine have the generic name of drift. These are simply tunnels made in the rock, with a size and shape depending on their use—for example, haulage, ventilation, or exploration." -- Encyclopedia Brittannica
This drift is at the 16 level in the Gilman mine and has been abandoned. Water dripping through the ceiling carries minerals, forming stalagtites and stalagmites.