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| TABLE 1 | |||||||||||||||||||||
| MATERIAL HANDLED AT SURFACE AND UNDERGROUND MINES IN THE UNITED STATES, BY TYPE1 | |||||||||||||||||||||
| (Million metric tons) | |||||||||||||||||||||
| Surface2 | Underground3 | All mines | |||||||||||||||||||
| Type of ore and year | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | ||||||||||||
| Metals: | |||||||||||||||||||||
| 2002 | 1,060 | 1,020 | 2,080 | 15 | 3 | 18 | 1,080 | r | 1,020 | 2,100 | r | ||||||||||
| 2003 | 1,090 | r | 1,010 | r | 2,100 | r | 14 | 1 | 15 | 1,100 | r | 1,020 | 2,110 | ||||||||
| 2004 | 1,190 | 1,060 | 2,250 | 14 | 2 | 16 | 1,200 | 1,060 | 2,260 | ||||||||||||
| 2005 | 1,210 | 1,050 | 2,250 | r | 19 | 1 | 20 | 1,230 | 1,050 | 2,270 | r | ||||||||||
| 2006 | 1,240 | 1,050 | 2,290 | 16 | 3 | 19 | 1,260 | 1,050 | 2,310 | ||||||||||||
| Industrial minerals: | |||||||||||||||||||||
| 2002 | 2,810 | r | 440 | r | 3,250 | r | 108 | (5) | 108 | 2,920 | r | 440 | r | 3,360 | r | ||||||
| 2003 | 2,850 | r | 414 | r | 3,260 | r | 107 | (5) | 107 | 2,960 | r | 414 | r | 3,370 | r | ||||||
| 2004 | 3,000 | 409 | 3,410 | 139 | (5) | 139 | 3,140 | 409 | 3,550 | ||||||||||||
| 2005 | 3,090 | r | 370 | r | 3,460 | r | 137 | 1 | 138 | 3,230 | r | 370 | 3,600 | r | |||||||
| 2006 | 3,200 | 265 | 3,470 | 129 | (5) | 129 | 3,330 | 266 | 3,600 | ||||||||||||
| All mineral commodities: | |||||||||||||||||||||
| 2002 | 3,880 | r | 1,460 | 5,330 | r | 123 | 3 | 126 | 4,000 | r | 1,460 | 5,460 | r | ||||||||
| 2003 | 3,930 | r | 1,430 | 5,360 | r | 121 | 1 | r | 122 | r | 4,060 | r | 1,430 | 5,480 | r | ||||||
| 2004 | 4,190 | 1,470 | 5,650 | 153 | 2 | 155 | 4,340 | 1,470 | 5,810 | ||||||||||||
| 2005 | 4,300 | r | 1,420 | 5,720 | r | 156 | 2 | 158 | 4,460 | r | 1,420 | 5,870 | r | ||||||||
| 2006 | 4,450 | 1,320 | 5,760 | 144 | 3 | 147 | 4,590 | 1,320 | 5,910 | ||||||||||||
| rRevised. | |||||||||||||||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | |||||||||||||||||||||
| 2Includes materials from wells, ponds, and pumping operations. | |||||||||||||||||||||
| 3Includes solution mining. | |||||||||||||||||||||
| 4Includes ore and waste from development operations. | |||||||||||||||||||||
| 5Less than � unit. | |||||||||||||||||||||
Source: United States Geological Survey Mineral Resources Program