11 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-02-28 09:49:08
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12 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-04-11 15:26:04
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13 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-11-14 07:16:42
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14 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-02-11 14:32:34
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15 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-06-21 12:41:56
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16 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-04-01 14:59:47
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17 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 09:15:48
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18 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-06-15 12:17:56
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19 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-08-16 09:08:51
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20 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-09-30 12:59:47
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