11 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2015-02-03 12:12:47
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12 | Add to Reading ListSource URL: arc.boardofstudies.nsw.edu.auLanguage: English - Date: 2003-06-23 17:12:50
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13 | Add to Reading ListSource URL: www.hecla-mining.comLanguage: English - Date: 2015-02-18 10:30:31
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14 | Add to Reading ListSource URL: www.explorenorth.comLanguage: English - Date: 2006-07-06 09:02:27
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15 | Add to Reading ListSource URL: www.hecla-mining.comLanguage: English - Date: 2015-03-02 23:51:28
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16 | Add to Reading ListSource URL: www.canadianzinc.comLanguage: English - Date: 2014-11-13 16:31:30
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17 | Add to Reading ListSource URL: www.petroleumnews.comLanguage: English - Date: 2015-01-23 08:13:09
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18 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-12-29 11:54:06
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19 | Add to Reading ListSource URL: www.blm.govLanguage: English - Date: 2015-01-17 16:14:30
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20 | Add to Reading ListSource URL: www.blm.govLanguage: English - Date: 2015-01-17 21:25:12
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