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| TABLE 2 | |||||||||||||||||||||
| CRUSHED STONE SOLD OR USED IN THE UNITED STATES, BY KIND1, 2 | |||||||||||||||||||||
| 2005 | 2006 | ||||||||||||||||||||
| Quantity | Quantity | ||||||||||||||||||||
| Number | (thousand | Value | Unit | Number | (thousand | Value | Unit | ||||||||||||||
| Kind | of quarries | metric tons) | (thousands) | value | of quarries | metric tons) | (thousands) | value | |||||||||||||
| Limestone3 | 1,970 | r | 1,090,000 | $7,540,000 | r | $6.93 | r | 1,948 | 1,080,000 | $8,190,000 | $7.60 | ||||||||||
| Dolomite | 205 | 94,500 | r | 643,000 | r | 6.81 | r | 149 | 87,700 | 663,000 | 7.55 | ||||||||||
| Marble | 27 | r | 8,350 | r | 69,200 | r | 8.29 | r | 24 | 11,800 | 116,000 | 9.77 | |||||||||
| Calcareous marl | 6 | 4,950 | 28,300 | 5.73 | 7 | 3,910 | 17,700 | 4.52 | |||||||||||||
| Shell | 8 | 4,420 | 27,200 | 6.15 | 7 | 8,690 | 74,300 | 8.54 | |||||||||||||
| Granite | 346 | r | 266,000 | r | 2,240,000 | r | 8.42 | r | 379 | 268,000 | 2,590,000 | 9.66 | |||||||||
| Traprock | 339 | r | 128,000 | r | 1,030,000 | r | 8.08 | r | 355 | 148,000 | 1,320,000 | 8.89 | |||||||||
| Sandstone and quartzite4 | 165 | r | 55,800 | r | 404,000 | r | 7.24 | r | 173 | 57,400 | 444,000 | 7.73 | |||||||||
| Slate | 26 | r | 4,270 | r | 34,900 | r | 8.18 | r | 24 | 4,090 | 37,400 | 9.16 | |||||||||
| Volcanic cinder and scoria | 44 | r | 3,350 | r | 23,700 | r | 7.09 | r | 47 | 6,470 | 41,500 | 6.42 | |||||||||
| Miscellaneous stone | 196 | r | 44,600 | r | 309,000 | r | 6.93 | r | 266 | 45,200 | 357,000 | 7.90 | |||||||||
| Total or average | XX | 1,700,000 | r | 12,300,000 | r | 7.26 | r | XX | 1,720,000 | 13,800,000 | 8.05 | ||||||||||
| rRevised.� XX Not applicable. | |||||||||||||||||||||
| 1Data are rounded to no more than three significant digits, except unit values and number of quarries; may not add to totals shown. | |||||||||||||||||||||
| 2Does not include American Samoa, Guam, Puerto Rico, and the U.S. Virgin Islands. | |||||||||||||||||||||
| 3Includes limestone-dolomite reported with no distinction between the two kinds of stone. | |||||||||||||||||||||
| 4Includes sandstone-quartzite reported with no distinction between the two kinds of stone. | |||||||||||||||||||||
Source: United States Geological Survey Mineral Resources Program