91 | Add to Reading ListSource URL: www.iaisrr.comLanguage: English - Date: 2014-02-13 10:30:08
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92 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-11-09 11:19:15
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93 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 09:10:30
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94 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1997-03-07 11:29:52
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95 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-03-24 14:18:23
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96 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-03-06 12:19:11
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97 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-02-24 11:18:28
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98 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-02-01 09:08:25
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99 | Add to Reading ListSource URL: pubs.ext.vt.eduLanguage: English - Date: 2014-09-04 11:45:50
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100 | Add to Reading ListSource URL: pubs.ext.vt.eduLanguage: English - Date: 2014-09-04 11:45:13
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