81 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-02-23 14:10:28
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82 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-01-31 17:34:49
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83 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-11-01 08:23:58
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84 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2002-12-19 11:27:54
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85 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-03-19 09:19:10
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86 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-06-30 14:30:26
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87 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 16:55:30
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88 | Add to Reading ListSource URL: digital.library.okstate.eduLanguage: English - Date: 2009-01-09 17:02:43
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89 | Add to Reading ListSource URL: www.isa.org.jmLanguage: English - Date: 2010-05-24 13:45:55
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90 | Add to Reading ListSource URL: ec.europa.euLanguage: English - Date: 2012-10-18 13:17:27
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