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Platform leading to the soda ash machine at the Gilman Mine. Soda ash (also called washing soda, sodium carbonate Na2CO3) was one of the chemicals used to clean the ore. The large pipe on the left is for ventilation of the soda ash work area.
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Fork lift loading soda ash onto a platform for use in the soda ash machine. The fork lift was battery operated.
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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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A mine ore conveyor being loaded from another level down a chute that had chains for filtering out large rocks. A miner stood near the conveyor and picked out pieces of wood and other debris.
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Steam control valves at the mill in Belden. These were located between the dryer and the loading tippel.
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Steam room controls located between the dryer building and loading tippel at Belden.
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Air operated mucking machine preparing to load material. The scoop would go over the mucking machine and empty the ore into the cart behind. Operator controls were at the left side of the machine.
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Closeup of the flume used to dump "muck' onto the conveyor. This conveyor carried the ore to a series of crushing machines. Conveyors were used extensively in the mine. [related to photo 2007.008.090]
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Lead flotation cell separating the lead from the crushed rock. Lead and gold were removed from the muck before the zinc was separated.
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Secondary or fine crusher used in the milling process at Gilman.
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Gilman power plant under renovation. The house in the immediate left background is where the Enzenroth family lived. Directly behind and to the left of the Enzenroth house is the Hess house. The Schlegel house is to the right of the Hess house. The school fence is visible at upper right.
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Power station upgrade in Gilman. The long house in the background is where the Schlegel family lived. The school yard fence is visible at upper right.
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Installing transformers and connecting terminals to main power line.
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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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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.
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Secondary or fine crusher in the Gilman Mine.
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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.