71 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2010-08-06 10:47:27
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72 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2010-09-15 11:51:24
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73 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2010-01-05 11:21:34
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74 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2012-07-16 08:45:02
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75 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2013-02-28 11:37:33
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76 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2013-04-10 13:33:45
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77 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2010-08-12 14:21:43
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78 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2013-04-05 15:07:01
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79 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2013-03-08 17:23:11
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80 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 2013-12-12 10:29:00
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