91 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2012-07-17 13:49:19
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92 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2012-07-16 13:38:46
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93 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2009-03-25 11:34:27
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94 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2007-08-14 10:58:56
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95 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2012-07-16 12:25:01
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96 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2013-11-05 14:45:42
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97 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2009-04-13 11:14:57
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98 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2010-07-27 12:33:48
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99 | Add to Reading ListSource URL: minerals.er.usgs.gov- Date: 2014-12-29 11:54:06
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100 | Add to Reading ListSource URL: minerals.er.usgs.gov- Date: 2014-06-03 14:33:37
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