91 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2010-11-15 09:10:58
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92 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-03-07 16:31:06
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93 | Add to Reading ListSource URL: ec.europa.euLanguage: English - Date: 2013-12-02 04:27:16
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94 | Add to Reading ListSource URL: pdf.usaid.govLanguage: English - Date: 2011-09-15 18:00:25
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95 | Add to Reading ListSource URL: www.ifw-members.ifw-kiel.deLanguage: English - Date: 2014-01-27 05:13:53
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96 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 08:08:56
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97 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-01-29 11:43:12
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98 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-01-27 09:48:04
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99 | Add to Reading ListSource URL: si-pddr.si.eduLanguage: English - Date: 2011-05-10 15:02:58
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100 | Add to Reading ListSource URL: www.uoguelph.caLanguage: English - Date: 2002-11-07 11:07:12
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