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3. Repair shop
4. Repair area
5. Repair area
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The loading tipple is at far left where products would be transferred to railroad cars for shipment. The "Bull Gang" managed loading and maintenance in the Eagle River canyon. Robert E. Riggle was Bull Gang chief at one point.
The stairway at center goes into a mine entrance at about the 17 level. There are 80 feet between levels in the Gilman mine.
8. Repair shop
10. Drilling
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At 16 level, the ore train would dump rock into the large pit (Grizzly) at the bottom of which was located a jaw crusher. The crusher would send the ore into the ball mill and rod mill where the ore was pulverized to a fine powder.
Inside the ball mill, there would be ore and steel balls, approximately 10 in. in diameter. As the mill rotated, the ore was crushed by the balls. Eventually, the balls would wear down and Bob Riggle remembers his dad...
12. Hoist house
14. Flotation area
15. Repair shop
16. Zinc dryer
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The dryer building for zinc is at the far right. The zinc slurry would be heated and dried, leaving a very fine zinc powder. The powder was shipped in sealed box cars as it was so fine it would blow away in an open car. The rail line for shipping runs through the Eagle River Canyon (Belden area) so the final products for shipping were finished at this level.
17. Soda ash machine
18. 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.
19. 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,...