Gilman, Colorado
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81) 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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Bill May adjusting the controls on the compressor at Belden; Harold Steinmeyer supervising.
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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.
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Electrically activated shaft weights in the mill section at Gilman Mine.
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Flotation area for the zinc ore. Water valves are shown at the bottom of the table.
87) Flotation area
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Floation area for the zinc ore at Gilman. Flotation tables were used to seperate the zinc and lead from the waste in the mining process. Further processing separated the lead and the zinc.
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Staff meeting at the Gilman Mine. Left to right, Harold Steinmeyer, Gordon Craig, Frank Maloit, Bob Radabaugh, Dick Sayers, Bill Jude.
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Flotation stations in the zinc section of the mill at Gilman. The flotation stations were part of the process of refining the zinc ore.
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Moving transformers into place at Gilman. The power plant was located near Hwy 24 and was on the southeast edge of Gilman, above the town.
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Power station upgrade at Gilman. New "arms" can be seen for transformer placement.
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Moving new transformers into place at Gilman, using a combination of crane lifting and human placement.
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Power company employees supervising the installation of transformers at Gilman.
97) Mucking machine
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A compressed air-driven mucking machine at Gilman. The bucket has just been dumped into the ore car behind and is preparing to recover and pick up another load of ore.
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Staff meeting at the Gilman office of New Jersey Zinc Company. Left to right, Harold Steinmeyer, Gordon Craig (Mill Superintendent), Frank Maloit, Bill Jude, Bob Radabaugh, Dick Sayers
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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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The town of Gilman showing the main shaft down into the mine in the left center of the picture. Mining timbers are stacked in the yard to the immediate right of the main shaft. Highway 24 is on the far left going toward Red Cliff.
