611 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-01-13 11:50:50
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612 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-01-12 14:09:11
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613 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-01-19 09:02:19
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614 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-01-19 09:18:39
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615 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-03-30 09:47:22
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616 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-01-13 13:43:04
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617 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-01-12 14:31:43
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618 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-01-19 09:23:52
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619 | Add to Reading ListSource URL: www.bitechnologies.comLanguage: English - Date: 2013-08-09 11:37:33
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620 | Add to Reading ListSource URL: www.gemcomfg.comLanguage: English - Date: 2014-02-19 11:40:18
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