Mine equipment
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Ed Koch welding a repair on a "yellow car", a rocker dump car, which dumped ore to the side. The frame and wheels can be seen in the lower front foreground.
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Ed Koch welding a repair on a "yellow car", a rocker dump car, which dumped ore to the side. The frame and wheels can be seen in the lower front foreground.
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The rod and ball mill. The rod mill is on the left and ball mill on the right. These were used to grind the zinc concentrates for additional chemical processing. Prior to this, the material had chemical agents added to allow the zinc mineral surface to adhere to flotation bubbles. These were some of the steps for making the zinc ready to ship in railroad cars.
84) Shaft house
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An unknown miner oils the main cage mechanism in the shaft house. A grease gun can be seen on the floor in the right center of the picture.
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O.A. McClain, left, watches as Jessie Belt shears bar steel for timber truck reinforcements. The extra stock of bar steel is in the backgound.
86) Signal pulleys
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Signal pulleys to let the hoistman, who operated the cage, know when to raise or lower the cage.
87) Soda ash machine
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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.
88) Soda ash machine
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Inside the mill at the Gilman Mine. Chemicals are stored in pallets in the left forefront and a battery operated fork lift is parked in the center background. The soda ash mixing machine
area is at the top of the platform. 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.
89) Soda ash machine
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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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Part of the soda ash mixing machine at the Gilman Mine. Soda ash was used in processing the ore along with copper sulfate. An electric motor to power the mixer sets atop the mixing
bucket.
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Steam control valves at the mill in Belden. These were located between the dryer and the loading tippel.
92) Steam controls
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Steam room controls located between the dryer building and loading tippel at Belden.
93) Surface tram
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Verso: "Tramway from Gilman to Belden. Tom took me down it when I was about 10 and scared me to death." [BJS: Betty Jo Schmidt]
"The surface tram on the east side of Gilman was just below the carpenter shop and the surface electric shop. The tram was operated by a hoist just like in the inclines in the mill with bell signals for the hoist man to go up or down with the car. You could ride the tram from Gilman to Belden, or they used it to bring machinery,...
94) Surface tram
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The surface tram from Belden to the top of the mine complex at Gilman during a tour of the Gilman mine. The Grass Mountain Nightrider Snowmobile Club organized the tour. Durbin McIlnay would have been mine superintendent at that time.
There are 28 photos in this series taken by Bob Riggle, the only color series of which I'm aware. Should you question the captions or have further information, please let us know.
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A surface tram used to move ore and equipment is on the left coming into Belden from Gilman at the top. Loading tippel, steam room and the dryer buildings are pictured in the lower right.
96) Tamping dynamite
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Tamping in dynamite prior to blasting a section at Gilman. Holes that have been prepared are shown with electrical connections to the blasting caps and the dynamite. Joe Fear prepared the blasting caps on the surface. Bottom series of holes were detonated first to keep the miners from having to work so much loose debris - a true demonstration of the principle of gravity.
97) Tamping dynamite
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Miner's helper assisting with tamping dynamite prior to blasting the exposed rock face. Both miners have the battery powered safety lights connected by the long cord to a pouch on their waists.
98) Tamping dynamite
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Tamping in dynamite prior to blasting a section at Gilman. Holes that have been prepared are shown with electrical connections to the blasting caps and the dynamite. Joe Fear prepared the blasting caps on the surface. Bottom series of holes were detonated first to keep the miners from having to work so much loose debris - a true demonstration of the principle of gravity.
99) Timber truck
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John Mignone (left) and Jesse Belt preparing a completely reconditioned timber truck for return to service in the mine. Sufficient timber and timber trucks were vital to the operation of the mine.
100) Timber truck
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John Mignone (left) and Jesse Belt examining a reconditioned timber truck at the Gilman mine.
