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| TABLE 12 | ||||||||||
| COMMON CLAY AND SHALE USED IN LIGHTWEIGHT AGGREGATE | ||||||||||
| PRODUCTION IN THE UNITED STATES BY STATE1 | ||||||||||
| (Thousand metric tons and thousand dollars) | ||||||||||
| Concrete | Structural | Total | ||||||||
| State | block | concrete | Other2 | Quantity | Valuee | |||||
| 2006: | ||||||||||
| Alabama | 639 | 46 | 76 | 761 | 25,800 | |||||
| Arkansas | 401 | �-- | �-- | 401 | 1,040 | |||||
| California | 20 | 63 | �-- | 83 | 3,430 | |||||
| Indianae | 135 | 66 | 99 | 299 | 8,250 | |||||
| Kansas | �-- | �-- | 78 | 78 | 684 | |||||
| Kentucky | 137 | 46 | �-- | 183 | 649 | |||||
| Louisiana | 224 | 51 | 200 | 475 | 23,100 | |||||
| Missouri | �-- | �-- | 130 | 130 | 1,130 | |||||
| Nebraska | �-- | �-- | 1 | 1 | 2 | |||||
| New York | 167 | 352 | �-- | 519 | 25,900 | |||||
| North Carolinae | �-- | �-- | 11 | 11 | 95 | |||||
| Ohio | 106 | 63 | 87 | 257 | 9,640 | |||||
| Oklahoma | 41 | 6 | �-- | 47 | 1,340 | |||||
| Texase | 47 | 155 | 255 | 457 | 2,810 | |||||
| Utah | 120 | 79 | 147 | 347 | 6,750 | |||||
| Virginia | -- | -- | -- | -- | -- | |||||
| Total | 2,040 | 927 | 1,090 | r | 4,050 | 110,000 | ||||
| 2007: | ||||||||||
| Alabama | 599 | 42 | 72 | 713 | 27,300 | |||||
| Arkansas | 408 | �-- | �-- | 408 | 2,250 | |||||
| California | �-- | �-- | �-- | �-- | �-- | |||||
| Indiana | 88 | 38 | 113 | 239 | 6,580 | |||||
| Kansas | �-- | �-- | 57 | 57 | 498 | |||||
| Kentucky | 127 | 54 | �-- | 181 | 1,200 | |||||
| Louisiana | 289 | 72 | 120 | 481 | 13,300 | |||||
| Missouri | �-- | �-- | 127 | 127 | 1,110 | |||||
| Nebraska | �-- | �-- | 1 | 1 | 3 | |||||
| New York | 225 | 260 | �-- | 485 | 25,400 | |||||
| North Carolina | �-- | �-- | 8 | 8 | 65 | |||||
| Ohio | 109 | 64 | 100 | 272 | 11,200 | |||||
| Oklahoma | 36 | 5 | �-- | 41 | 1,190 | |||||
| Texas | 38 | 142 | 256 | 435 | 3,600 | |||||
| Utah | 127 | 80 | 156 | 363 | 7,600 | |||||
| Virginia | 108 | 2 | (3) | 115 | 3,510 | |||||
| Total | 2,150 | 759 | 689 | 3,930 | 105,000 | |||||
| eEstimated. rRevised. -- Zero. | ||||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||||
| 2Includes highway surfacing. | ||||||||||
| 3Less than � unit. | ||||||||||
Source: United States Geological Survey Mineral Resources Program