281 | Add to Reading ListSource URL: www.coorstek.comLanguage: English - Date: 2014-05-04 08:31:50
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282 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 10:56:38
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283 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 08:59:57
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284 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-05-29 09:18:25
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285 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-07-13 07:10:14
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286 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-04-18 12:37:50
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287 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-10-23 07:10:10
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288 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-07-16 10:42:52
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289 | Add to Reading ListSource URL: www.titantoolsupply.comLanguage: English - Date: 2012-01-20 14:40:18
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290 | Add to Reading ListSource URL: documents.epo.orgLanguage: English - Date: 2012-11-04 10:47:25
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