81 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-08-09 16:42:54
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82 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-11-19 10:05:11
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83 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-02-19 15:05:03
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84 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-08-28 13:42:07
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85 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1999-02-02 14:21:43
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86 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-05-07 07:45:18
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87 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-10-23 07:10:27
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88 | Add to Reading ListSource URL: www.hc-sc.gc.caLanguage: English - Date: 2013-07-09 12:17:53
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89 | Add to Reading ListSource URL: www.atsdr.cdc.govLanguage: English - Date: 2011-11-10 16:22:49
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90 | Add to Reading ListSource URL: www.canadafluorspar.comLanguage: English - Date: 2013-05-20 12:56:12
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