Mines
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Dick Sayers (left) and John Skinner discussing the adjustments to equipment. A good view of the headlamp attachment to the battery pack carried on one's belt.
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Dick Sayers (left) and John Skinner adjusting the valves on equipment.
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Dick Sayers (left) and John Skinner adjusting the valves on equipment.
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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.
7) Belden
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Looking down the Eagle River toward Belden. Railroad tracks in foreground; Gilman buildings are visible at the top.
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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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Bill May adjusting the controls on the compressor at Belden; Harold Steinmeyer supervising.
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Harold Steinmeyer and Bill May in the compressor room at Belden. Compressor equipment in the background is Ingersoll-Rand. During the spring and summer months, power for the compressors was provided by using Pelton Wheels (turbines) situated in nearby Fall Creek to generate electricity.
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Harold Steinmeyer (left) and Bill May in the compressor room at Belden. Prior to the electrical power plant at Gilman, much of the electricity for the mine (compressors) was supplied by the use of Pelton wheels (turbines) powered by the water from Fall Creek at Belden.
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Installing new transformers at Gilman. The tanks at the back of the unit are for cooling purposes.
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Crane at Gilman power plant moving transformers. The building in the left background housed the post office, mercantile, and grocery store.
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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.
17) 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.
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"D. & R.G. Railroad" - caption from Edwards School Scrapbook, page 16. The scrapbook was created as a youth citizens' league project between 1954-1955.
The railroad would haul zinc out of the mines at Gilman for several decades. Three buildings are visible, including one perched on the mountainside. At far right, a sign says "Eagle Mines of the Empire Zinc Co". A tailings pipe appears to be dumping into the Eagle River (midground). The town of...
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Dick Sayers (l) and John Skinner (r) at the pumping station on 20 level at Gilman.
"Water for the mine came directly from the Eagle River from the pump house, which was just across the ramp coming down the mill incline. About 50 tons of ore per hour went through the mill during each eight-hour shift." Eagle River Valley, p.38
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Verso of the Colortone postcard of the Eagle River Canyon and Gilman, sent to Pvt. Tom Fish, U.S. Army, from his mother.
Caption: "2307--Eagle River Canon Empire Zinc Mine, and Gilman as seen from Battle Mountain Highway, Colorado."
"C.T. Art-Colortone," Sanborn Souvenir Co., Denver, Colo.
The postcard is from the collection of William W. Burnett and was used as the cover photo for the 2005 printing of his book, "The Eagle on Battle Mountain at...
