191 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-10-21 15:54:48
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192 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-08-27 13:12:03
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193 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2014-08-22 15:27:19
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194 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-09-05 08:56:42
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195 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-09-24 16:23:18
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196 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-10-16 17:44:52
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197 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-05-20 14:52:19
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198 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-05-24 10:56:38
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199 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-05-31 10:41:54
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200 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-09-13 14:13:59
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