|
| TABLE� 8A | ||||||||
| CONSTRUCTION SAND AND GRAVEL PRODUCTION IN THE UNITED STATES | ||||||||
| IN 2006, BY REGION AND SIZE OF OPERATION� | ||||||||
| U.S. total | ||||||||
| Quantity1 | ||||||||
| Size range | Number of� | Percentage | (thousand | Percentage | ||||
| (metric tons) | operations� | of total | metric tons) | of total | ||||
| Less than 25,000��� | 1,150 | 18.3 | 10,900 | 0.8 | ||||
| 25,000 to 49,999 | 827 | 13.1 | 27,700 | 2.1 | ||||
| 50,000 to 99,999 | 1,220 | 19.4 | 80,200 | 6.1 | ||||
| 100,000 to 199,999 | 1,150 | 18.2 | 149,000 | 11.3 | ||||
| 200,000 to 299,999 | 634 | 10.1 | 141,000 | 10.6 | ||||
| 300,000 to 399,999 | 353 | 5.6 | 111,000 | 8.4 | ||||
| 400,000 to 499,999 | 223 | 3.5 | 90,200 | 6.8 | ||||
| 500,000 to 599,999 | 164 | 2.6 | 81,100 | 6.1 | ||||
| 600,000 to 699,999 | 118 | 1.9 | 69,000 | 5.2 | ||||
| 700,000 to 799,999 | 93 | 1.5 | 63,200 | 4.8 | ||||
| 800,000 to 899,999 | 79 | 1.3 | 60,500 | 4.6 | ||||
| 900,000 to 999,999 | 36 | 0.6 | 30,800 | 2.3 | ||||
| 1,000,000 to 1,499,999 | 130 | 2.1 | 143,000 | 10.8 | ||||
| 1,500,000 to 1,999,999 | 56 | 0.9 | 87,000 | 6.6 | ||||
| 2,000,000 to 2,499,999 | 24 | 0.4 | 48,500 | 3.7 | ||||
| 2,500,000 and more | 39 | 0.6 | 129,000 | 9.7 | ||||
| Total� | 6,290 | 100 | 1,320,000 | 100 | ||||
| 1Data are rounded to no more than three significant digits.� | ||||||||
Source: United States Geological Survey Mineral Resources Program