Mine equipment
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"At the Copper King mine in 1910: Fred Norquist, John LaForce, Emmett Quinlan, Warren Gibson and Frank Groh. For some unknown reason, the various individuals and companies who had operated the mine up to 1950 never bothered to have it patented." -- McCoy Memoirs p. 12
[Title supplied from catalog prepared by the Eagle County Historical Society.]
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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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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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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.
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Belden as seen from Gilman. On the left are the loading tippel, steam room and dryer. Loading tippel is extended over the railroad cars to be filled with ore. A surface tram carrying ore ready for loading is visible behind the loading tippel.
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Belden as seen from Gilman. On the left are the loading tippel, steam room and dryer. Loading tippel is extended over the railroad cars to be filled with ore. A surface tram carrying ore ready for loading is visible behind the loading tippel.
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Bill Burnett clamping 4" x 6" x 3/8" heavy angle iron and 1/2" plates into an exact postiton prior to welding. This will make a base for a battery charging generator in one of the mine charging stations.
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Bill Burnett squares up a frame prior to welding it at the Gilman mine. "C" clamps hold the frame in place. A welder's mask and ball peen hammer are to Bill's right. Suction vent hanging at far right.
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Bob Enzenroth repairing and overhauling a jackhammer. All rock drills not working properly were sent to the machine shop to be cleaned, repaired and returned to the mine for service.
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Bob Radabaugh, mine geologist, at the Gilman Mine. The geologists determined areas of optimum ore yield through various methods of inquiry. Bob is shown with one of the low tech methods, the rock hammer, checking the rock formation.
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Carl Garner reconstructing a mine hoist used for moving ore and supplies in the mine.
13) Chemical storage
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Lime, soda ash and copper sulfate (used in the zinc ore processing) stored beneath the mill at Gilman. Tracks used by timber trucks and ore cars run down the center of the picture. [Same as 2007.008.123]
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Staging area in the mill at Gilman for the chemicals used to process the mined ore. The fork lift was used to lift pallets of the chemicals for use in the mixing machines. [Similar to 2007.008.072]
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The cyanide injecting machine inside the mill at Gilman. Cyanide was used to clean the ore for processing. A pressure gauge is seen at the top of the injectors.
16) Cyanide mixing
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Cyanide mixing machine in the mine at Gilman. Cyanide was shipped to the mine in 50 gallon drums and required the use of rubber gloves in handling.
17) Derailment
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Rail cars knocked off the tracks in the winter, circa 1951-52 at Belden. Other cars are lined up in the background awating loading. The dryer is the large building behind the railroad cars.
18) Drilling
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Miner using a compressed air rock drill at the Gilman Mine. A battery operated miner's light is attached to his helmet, with the cord running to the light.
19) Drilling
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Drilling prior to adding dynamite to blast a section for mining at Gilman. Protective clothing was worn to keep the driller from being injured by debris, but we see no eye safety wear.
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Drills and lathes in the repair area. Welders and machinists were employed by New Jersey Zinc to maintain and recycle equipment. During the 1950s, there were three shifts working each day to maintain production levels.
