How Much is the Cost of Mining Exploration
2017-3-20 · Following is a summary of the exploration costs, including camp buildings, roads, mine equipment and supplies, 750 feet of open-cuts, approximately 598 feet of tunnels and drifts, 95 feet of raises, and 825 feet of 14° incline, and cost of stoping 2,370 tons of ore taken out during the period covered: