111 | Add to Reading ListSource URL: www.usgs.govLanguage: English - Date: 2001-08-30 15:51:14
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112 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-07-09 15:15:37
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113 | Add to Reading ListSource URL: www.usgs.govLanguage: English - Date: 2008-09-04 14:58:08
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114 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-16 14:34:11
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115 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-03-25 11:34:27
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116 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-16 08:48:07
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117 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-04-12 11:32:32
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118 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-15 10:38:46
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119 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-11-05 15:00:00
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120 | Add to Reading ListSource URL: www.usgs.govLanguage: English - Date: 2007-09-13 10:35:28
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