81 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-01-18 11:53:13
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82 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-01-12 10:13:10
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83 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-02-01 10:46:10
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84 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-02-13 13:12:46
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85 | Add to Reading ListSource URL: www.fs.fed.usLanguage: English - Date: 2009-05-27 10:40:57
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86 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2012-10-02 09:32:21
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87 | Add to Reading ListSource URL: safemanitoba.comLanguage: English - Date: 2012-11-23 15:28:38
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88 | Add to Reading ListSource URL: www.jetro.go.jpLanguage: English - Date: 2013-12-19 09:48:44
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89 | Add to Reading ListSource URL: www.centexbel.beLanguage: English - Date: 2010-03-17 11:22:25
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90 | Add to Reading ListSource URL: www.centexbel.beLanguage: English - Date: 2011-09-13 10:02:49
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