141 | Add to Reading ListSource URL: www.mine-engineer.comLanguage: English - Date: 2013-10-28 22:25:24
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142 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-08-03 09:24:59
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143 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-12-12 11:09:42
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144 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-10-02 06:18:36
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145 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-08-25 10:58:11
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146 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-08-05 08:24:37
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147 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-03-03 08:29:21
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148 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-01-31 09:50:43
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149 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-02-19 13:28:48
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150 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-10-02 09:30:45
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