Belden, Colorado
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Standing above the cavern in the Gilman mine where the ball and rod mills are housed. The mills are on an incline for gravity feed down to the loading docks.
At the center right of the photo, steel rods are stacked for use in the rod mill.
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The Belden mill and tram in Eagle Canyon, below Gilman. Railroad tracks at bottom right in photo. Taken after the 1919 landslide.
3) Mill area
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Part of the mill area in the Gilman mine, showing separation tanks for lead, copper and zinc.
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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...
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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.
"1. Loading tipple; 2. Service tunnel to mill stope. Note how completely the slide buried it" [written by Tom Knight]
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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]
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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]
8) Ore cart
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An ore car at right, going out to the main pit (Grizzly). Once it arrives at the pit, the rocker wheel on the cart is elevated by the track and dumps the contents of the cart into the pit.
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At right is the ball mill. At left is the rod mill. The mills are on an incline for gravity feed down to the loading docks.
At the center right of the photo, steel rods are stacked for use in the rod mill.
