31 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2000-02-01 12:24:55
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32 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 11:13:30
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33 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2007-08-31 11:13:30
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34 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-09-30 08:59:14
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35 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2004-09-14 13:32:19
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36 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 09:13:26
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37 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-10-09 08:07:56
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38 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2006-08-15 09:13:26
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39 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2006-10-03 14:57:48
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40 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2012-02-10 13:24:25
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