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| TABLE� 6B | |||||||||||||||||||||
| CONSTRUCTION SAND AND GRAVEL PRODUCTION IN THE UNITED STATES IN 2007, BY REGION AND SIZE OF OPERATION | |||||||||||||||||||||
| Northeast | Midwest | ||||||||||||||||||||
| Quantity1 | Quantity1 | ||||||||||||||||||||
| Size range | Number of� | Percentage | (thousand | Percentage | Number of� | Percentage | (thousand | Percentage | |||||||||||||
| (metric tons) | operations� | of total� | metric tons) | of total� | operations� | of total� | metric tons) | of total� | |||||||||||||
| Less than 25,000��� | 276 | 27.2 | 2,450 | 2.1 | 491 | 21.5 | 4,400 | 1.4 | |||||||||||||
| 25,000 to 49,999 | 175 | 17.2 | 5,880 | 4.9 | 380 | 16.7 | 12,900 | 3.9 | |||||||||||||
| 50,000 to 99,999 | 201 | 19.8 | 12,900 | 10.8 | 445 | 19.5 | 29,200 | 9.0 | |||||||||||||
| 100,000 to 199,999 | 176 | 17.3 | 22,900 | 19.3 | 434 | 19 | 56,100 | 17.2 | |||||||||||||
| 200,000 to 299,999 | 82 | 8.1 | 18,100 | 15.2 | 194 | 8.5 | 43,100 | 13.2 | |||||||||||||
| 300,000 to 399,999 | 36 | 3.5 | 11,200 | 9.4 | 123 | 5.4 | 38,600 | 11.9 | |||||||||||||
| 400,000 to 499,999 | 19 | 1.9 | 7,550 | 6.3 | 66 | 2.9 | 26,700 | 8.2 | |||||||||||||
| 500,000 to 599,999 | 16 | 1.6 | 7,870 | 6.6 | 50 | 2.2 | 24,600 | 7.6 | |||||||||||||
| 600,000 to 699,999 | 10 | 1.0 | 5,840 | 4.9 | 23 | 1.0 | 13,300 | 4.1 | |||||||||||||
| 700,000 to 799,999 | 7 | 0.7 | 4,740 | 4.0 | 14 | 0.6 | 9,450 | 2.9 | |||||||||||||
| 800,000 to 899,999 | 3 | 0.3 | 2,310 | 1.9 | 12 | 0.5 | 9,080 | 2.8 | |||||||||||||
| 900,000 to 999,999 | 3 | 0.3 | 2,600 | 2.2 | 9 | 0.4 | 7,680 | 2.4 | |||||||||||||
| 1,000,000 to 1,499,999 | 9 | 0.9 | 9,790 | 8.2 | 28 | 1.2 | 29,600 | 9.1 | |||||||||||||
| 1,500,000 to 1,999,999 | 2 | 0.2 | 2,840 | 2.4 | 4 | 0.2 | 6,180 | 1.9 | |||||||||||||
| 2,000,000 to 2,499,999 | 1 | 0.1 | 2,020 | 1.7 | 4 | 0.2 | 7,870 | 2.4 | |||||||||||||
| 2,500,000 and more | -- | -- | -- | -- | 3 | 0.1 | 7,940 | 2.4 | |||||||||||||
| Total� | 1,016 | 100 | 119,000 | 100 | 2,280 | 100 | 327,000 | 100 | |||||||||||||
| South | West | ||||||||||||||||||||
| Quantity1 | Quantity1 | ||||||||||||||||||||
| Size range | Number of� | Percentage | (thousand | Percentage | Number of� | Percentage | (thousand | Percentage | |||||||||||||
| (metric tons) | operations� | of total� | metric tons) | of total� | operations� | of total� | metric tons) | of total� | |||||||||||||
| Less than 25,000��� | 182 | 15.5 | 1,710 | 0.6 | 464 | 21.1 | 4,010 | 0.8 | |||||||||||||
| 25,000 to 49,999 | 119 | 10.1 | 3,920 | 1.3 | 282 | 12.8 | 9,780 | 1.9 | |||||||||||||
| 50,000 to 99,999 | 184 | 15.7 | 12,300 | 4.3 | 370 | 16.8 | 24,300 | 4.8 | |||||||||||||
| 100,000 to 199,999 | 221 | 18.9 | 28,800 | 10.1 | 375 | 17.0 | 48,800 | 9.7 | |||||||||||||
| 200,000 to 299,999 | 146 | 12.4 | 32,500 | 11.0 | 217 | 9.9 | 48,600 | 9.7 | |||||||||||||
| 300,000 to 399,999 | 78 | 6.7 | 24,800 | 8.4 | 124 | 5.6 | 38,800 | 7.7 | |||||||||||||
| 400,000 to 499,999 | 67 | 5.7 | 26,900 | 9.1 | 82 | 3.7 | 32,900 | 6.6 | |||||||||||||
| 500,000 to 599,999 | 38 | 3.2 | 18,700 | 6.4 | 50 | 2.3 | 24,900 | 5.0 | |||||||||||||
| 600,000 to 699,999 | 26 | 2.3 | 15,400 | 5.4 | 43 | 2.0 | 25,100 | 5.0 | |||||||||||||
| 700,000 to 799,999 | 19 | 1.6 | 12,900 | 4.4 | 37 | 1.7 | 25,200 | 5.0 | |||||||||||||
| 800,000 to 899,999 | 16 | 1.4 | 12,200 | 4.1 | 24 | 1.1 | 18,400 | 3.7 | |||||||||||||
| 900,000 to 999,999 | 14 | 1.2 | 12,000 | 4.1 | 22 | 1.0 | 19,100 | 3.8 | |||||||||||||
| 1,000,000 to 1,499,999 | 38 | 3.2 | 40,900 | 13.7 | 60 | 2.7 | 66,000 | 13.1 | |||||||||||||
| 1,500,000 to 1,999,999 | 15 | 1.3 | 23,300 | 8.2 | 21 | 1.0 | 33,600 | 6.7 | |||||||||||||
| 2,000,000 to 2,499,999 | 8 | 0.7 | 16,300 | 5.5 | 10 | 0.5 | 20,000 | 4.0 | |||||||||||||
| 2,500,000 and more | 1 | 0.1 | 2,470 | 0.9 | 19 | 0.9 | 62,400 | 12.4 | |||||||||||||
| Total | 1,172 | 100 | 285,000 | 100 | 2,200 | 100 | 502,000 | 100 | |||||||||||||
| -- Zero.� | |||||||||||||||||||||
| 1Data are rounded to no more than three significant digits. | |||||||||||||||||||||
Source: United States Geological Survey Mineral Resources Program