Showing 1 - 20 of 29 , query time: 0.01s
Cover Image
Format:
Image
The New Jersey Zinc Company office in Gilman, Colorado. The cinder block portion, which was the newer portion of the office, was constructed in approximately 1953. [license plate 1953]
Cover Image
Format:
Image
Dick Sayers (left) and John Skinner adjusting controls at the pump station on 20 level at the mine in Gilman.
Cover Image
Format:
Image
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.
Cover Image
Format:
Image
Mucking machine picking up a load of ore at Gilman. The machine ran on rails and pulled ore cars behind for loading.
Cover Image
Format:
Image
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.
Cover Image
Format:
Image
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]
Cover Image
Format:
Image
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.
Cover Image
Format:
Image
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]
Cover Image
9) Piping
Format:
Image
Underground pipes used to move water and chemicals for the ore milling processes. A group of fans is seen in the bottom background, providing some of the ventilation in the mine at Gilman.
Cover Image
Format:
Image
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.
Cover Image
Format:
Image
Fork lift loading soda ash onto a platform for use in the soda ash machine. The fork lift was battery operated.
Cover Image
Format:
Image
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]
Cover Image
Format:
Image
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.
Cover Image
Format:
Image
Steam control valves at the mill in Belden. These were located between the dryer and the loading tippel.
Cover Image
Format:
Image
Steam room controls located between the dryer building and loading tippel at Belden.
Cover Image
Format:
Image
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.
Cover Image
Format:
Image
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]
Cover Image
Format:
Image
Lead flotation cell separating the lead from the crushed rock. Lead and gold were removed from the muck before the zinc was separated.
Cover Image
Format:
Image
Secondary or fine crusher used in the milling process at Gilman.
Cover Image
Format:
Image
Ed Koch starting the repair and reconditioning of a rocker dump mine car. This mine car has become unserviceable since the bottom and end are worn through. The car will receive new steel section plates and be completely reconditioned.