b'MiningCommodity Total Prospects Occurrences Producer PlantsLead 54 20 3 31 0Silver 52 17 3 32 0Zinc 38 11 4 23 0Copper 37 9 2 26 0Gold 20 3 1 15 1Bismuth 6 1 0 5 0Manganese 5 1 0 4 0Tungsten 5 1 1 3 0Antimony 4 1 0 3 0Iron 4 3 0 1 0Barium-Barite 3 1 0 2 0Mercury 1 0 0 1 0Molybdenum 1 0 0 1 0Platinum 1 0 0 1 0Selenium 1 0 0 1 0Silica 1 1 0 0 0Tellurium 1 0 0 1 0Thallium 1 0 0 1 0Tin 1 0 0 1 0Arsenic 1 0 0 1 0Gemstone 1 0 1 0 0Cadmium 1 0 0 1 0Magnesite 1 1 0 0 0FIGURE 8. Mining Commodities in Butte County 11BUTTE County 275'