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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $601,703 | $345,281 | $225,862 | $116,823 | $138,978 | $137,541 | $101,528 |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $5,585 | | $33,341 | $3,854 | | | |
| Total | $607,288 | $345,281 | $259,203 | $120,677 | $138,978 | $137,541 | $101,528 |
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