Gilman, Colorado
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21) 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.
22) 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.
23) 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,...
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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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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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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.
27) 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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Dick Sayers (left) and John Skinner adjusting controls at the pump station on 20 level at the mine in Gilman.
30) Signal pulleys
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Signal pulleys to let the hoistman, who operated the cage, know when to raise or lower the cage.
31) Mucking machine
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Air operated mucking machine. The scoop goes over the mucking machine and empties the ore into the car behind. Miners also used these cars to move mining timbers throughout the mine.
32) Mucking machine
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Mucking machine picking up a load of ore at Gilman. The machine ran on rails and pulled ore cars behind for loading.
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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.
35) 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.
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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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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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A mine conveyor used for transporting the zinc ore from level to level and to the crusher in the mine. Conveyors were used extensively in the mine. [related to photo 2007.008.067]
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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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Tommy Reed repairing a foot valve for one of the mine pumps at the Gilman Mine.
