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81. Flotation area
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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.
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Bob Radabaugh, mine geologist, at the Gilman Mine. The geologists determined areas of optimum ore yield through various methods of inquiry. Bob is shown with one of the low tech methods, the rock hammer, checking the rock formation.
84. Drilling
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Drilling prior to adding dynamite to blast a section for mining at Gilman. Protective clothing was worn to keep the driller from being injured by debris, but we see no eye safety wear.
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Flotation stations in the zinc section of the mill at Gilman. The flotation stations were part of the process of refining the zinc ore.
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Moving transformers into place at Gilman. The power plant was located near Hwy 24 and was on the southeast edge of Gilman, above the town.
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Power station upgrade at Gilman. New "arms" can be seen for transformer placement.
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Moving new transformers into place at Gilman, using a combination of crane lifting and human placement.
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Power company employees supervising the installation of transformers at Gilman.
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Attaching transformers to a concrete pad at Gilman.
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Guiding transformers into place at the Gilman Power Plant.
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Blocking a transformer into place at Gilman at the power plant.
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H. Lee Ferris is shown oiling, checking and adjusting landing chairs at #1 shaft. These landing chairs are safety devices that fall into a blocking postion under the floor of the cage when it reaches the top of the shaft. These devices are on the sides of the shaft and prevent the cage from descending into the shaft until such time as the landing chairs are released manually. Mr. Ferris is standing in the cage which has been lowered to a point...
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The main shaft at the Gilman Mine with Mayo Lanning, mine chief, inspecting.
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John F. Mignone, Jr., and Clyde Spurr installing a motor in an Eimco Finlay Loader. The loader will be repaired, cleaned and returned to the mine in first class operating condition, with the least possible loss of time from service.
96. Art Anderson
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Art Anderson in his underground office at the Gilman Mine circa 1958. The large faced clock was typical of clocks found at Gilman.
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Frank Jones using one of the lathes to cut centers on the shaft of a bucket elevator tail pulley used in the Milling Department.
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Loading mining timbers from the surface at the main shaft of the Gilman Mine. The timbers were inverted to fit the cage in the shaft.
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Harold Steinmeyer directing road clearing on the lower road to Rock Creek. Highway 24 is in the background.
100. Mucking machine
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A compressed air-driven mucking machine at Gilman. The bucket has just been dumped into the ore car behind and is preparing to recover and pick up another load of ore.