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.
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]
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.
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.
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.
An ore car at right, going out to the main pit (Grizzly). Once it arrives at the pit, the rocker wheel on the cart is elevated by the track and dumps the contents of the cart into the pit.
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.
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]