101 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-16 14:06:10
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102 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-07-27 10:33:26
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103 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-16 10:26:06
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104 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-16 14:08:16
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105 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-15 10:43:57
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106 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-17 07:39:46
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107 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-01-21 14:09:56
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108 | Add to Reading ListSource URL: www.ectp.orgLanguage: English - Date: 2006-11-23 03:30:59
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109 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-07-15 09:29:54
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110 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-07-09 07:59:41
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