81 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-02-20 16:05:22
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82 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-06-21 10:55:02
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83 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-12-17 13:43:13
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84 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-11-21 07:51:24
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85 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-01-27 10:07:56
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86 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-09-03 13:56:12
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87 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-02-01 13:49:06
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88 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-01-29 12:06:09
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89 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-02-11 14:07:16
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90 | Add to Reading ListSource URL: www.sunxtender.comLanguage: English - Date: 2014-06-19 14:09:27
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