71 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-03-07 16:51:17
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72 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2010-09-10 13:48:38
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73 | Add to Reading ListSource URL: labor.alaska.govLanguage: English - Date: 2006-11-02 20:28:32
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74 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-09-28 12:41:08
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75 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-12-01 06:28:52
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76 | Add to Reading ListSource URL: sec.nv.govLanguage: English - Date: 2012-01-19 17:19:55
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77 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-07-01 12:46:26
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78 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-06-26 11:54:33
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79 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-07-10 09:40:26
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80 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-07-22 09:48:55
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