11 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-09-30 08:59:14
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12 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2004-09-14 13:32:19
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13 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 09:13:26
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14 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-10-09 08:07:56
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15 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2006-08-15 09:13:26
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16 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2006-10-03 14:57:48
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17 | Add to Reading ListSource URL: www.gcande.orgLanguage: English - Date: 2014-06-21 09:28:09
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18 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-09-14 13:32:19
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19 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-03-19 06:48:58
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20 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-09-30 08:59:14
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