Ore industry
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Using a level to make sure the mine tailings flume is canted to the right angle. Tailings were piped from Gilman as a slurry and, as the slurry dried, it became the same consistency as a fine sand.
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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]
3) Assay office
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[Title supplied from catalog prepared by the Eagle County Historical Society.]
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Dick Sayers (left) and John Skinner, examining ore in the ore cars. Both men are wearing headlamps.
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Using a lift to move drums of chemicals 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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Dick Sayers (left) and John Skinner discussing the adjustments to equipment. A good view of the headlamp attachment to the battery pack carried on one's belt.
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Ore cars full of ore lined up on the rails, waiting to go to the crushers.
10) 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.
11) Adjusting valves
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Dick Sayers (left) and John Skinner adjusting the valves on equipment.
13) Adjusting valves
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Dick Sayers (left) and John Skinner adjusting the valves on equipment.
16) Examining ore
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Dick Sayers (left) and John Skinner, closely examining ore in the ore cars. Both men are wearing headlamps.
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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]
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Dick Sayers (left) and John Skinner adjusting controls at the pump station on 20 level at the mine in Gilman.
19) 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.
20) 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.
