Copper Lead Zinc Mining
Mining. The mine is located about one mile from the concentrator and the two are connected by a 2.5 mile long automobile road. An electric railroad is presently being installed. ... A 10-cell No. 18 Special "Sub-A" Flotation Machine is used for zinc flotation and is divided into 6 cells for roughing, 2 cells for cleaning, and 2 cells for ...