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| TABLE 19 | ||||||||
| CRUSHED VOLCANIC CINDER AND SCORIA AND CRUSHED MISCELLANEOUS STONE SOLD OR USED | ||||||||
| BY PRODUCERS IN THE UNITED STATES IN 2006, BY USE1 | ||||||||
| (Thousand metric tons and thousand dollars) | ||||||||
| Volcanic cinder and scoria | Miscellaneous stone | |||||||
| Use | Quantity | Value | Quantity | Value | ||||
| Construction: | ||||||||
| Coarse aggregate (+1� inch): | ||||||||
| Macadam | -- | -- | -- | -- | ||||
| Riprap and jetty stone | -- | -- | 680 | 14,700 | ||||
| Filter stone | -- | -- | 83 | 619 | ||||
| Other coarse aggregate | -- | -- | 369 | 2,820 | ||||
| Coarse aggregate, graded: | ||||||||
| Concrete aggregate, coarse | 147 | 804 | 222 | 2,310 | ||||
| Bituminous aggregate, coarse | -- | -- | 209 | 1,320 | ||||
| Bituminous surface-treatment aggregate | -- | -- | 109 | 1,090 | ||||
| Railroad ballast | -- | -- | 157 | 2,020 | ||||
| Other graded coarse aggregate | -- | -- | 1,390 | 9,470 | ||||
| Fine aggregate (-3/8 inch): | ||||||||
| Stone sand, concrete | -- | -- | 116 | 699 | ||||
| Stone sand, bituminous mix or seal | -- | -- | 174 | 669 | ||||
| Screening, undesignated | W | W | 147 | 878 | ||||
| Other fine aggregate | -- | -- | 717 | 6,160 | ||||
| Coarse and fine aggregates: | ||||||||
| Graded road base or subbase | W | W | 762 | 7,160 | ||||
| Unpaved road surfacing | W | W | 63 | 350 | ||||
| Terrazzo and exposed aggregate | W | W | W | W | ||||
| Crusher run or fill or waste | W | W | 80 | 734 | ||||
| Roofing granules | W | W | W | W | ||||
| Other coarse and fine aggregates | 371 | 3,820 | 2,860 | 20,100 | ||||
| Other construction materials | W | W | W | W | ||||
| Agricultural, other agricultural uses | W | W | -- | -- | ||||
| Chemical and metallurgical, cement manufacture | -- | -- | W | W | ||||
| Special, other fillers or extenders | W | W | W | W | ||||
| Other miscellaneous uses:� | ||||||||
| Abrasives | W | W | W | W | ||||
| Other specified uses not listed | W | W | W | W | ||||
| Unspecified:2 | ||||||||
| Reported | 4,940 | 28,400 | 22,000 | 167,000 | ||||
| Estimated | 747 | 5,490 | 14,800 | 117,000 | ||||
| Total | 6,470 | 41,500 | 45,200 | 357,000 | ||||
| W Withheld to avoid disclosing company proprietary data; included in "Total." -- Zero. | ||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||
| 2Reported and estimated production without a breakdown by end use. | ||||||||
Source: United States Geological Survey Mineral Resources Program