|
| TABLE 4 | ||||
| U.S. EXPORTS OF DIATOMITE1, 2 | ||||
| (Thousand metric tons and thousand dollars) | ||||
| Year | Quantity | Value3 � | ||
| 2005 | 142 | 60,400 | ||
| 2006 | 150 | 158,000 | ||
| 1Harmonized Tariff System (HTS) heading� | ||||
| 2512.00.0000, natural and straight-calcined� | ||||
| grades, but in practice probably includes an | ||||
| undetermined quantity of flux-calcined | ||||
| product HTS heading 3806.90.2000. | ||||
| 2Data are rounded to no more than three | ||||
| significant digits. | ||||
| 3Free alongside ship U.S. customs value. | ||||
| Source:� U.S. Census Bureau. | ||||
Source: United States Geological Survey Mineral Resources Program