21 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-08-15 15:33:40
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22 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-01-24 14:43:59
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23 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-07-18 09:56:55
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24 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-09-02 09:17:00
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25 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-02-15 07:12:26
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26 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-02-01 13:49:33
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27 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-02-14 13:24:00
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28 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-03-30 10:07:22
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29 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-08-28 12:34:00
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30 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 09:15:05
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