171 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-11-21 11:10:20
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172 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-01-13 10:36:56
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173 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2013-01-29 11:27:59
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174 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2005-10-25 10:50:25
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175 | Add to Reading ListSource URL: ed.fnal.govLanguage: English - Date: 2007-09-25 11:42:31
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176 | Add to Reading ListSource URL: www.internationallime.orgLanguage: English - Date: 2007-06-13 11:10:17
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177 | Add to Reading ListSource URL: www.internationallime.orgLanguage: English - Date: 2007-06-13 11:11:30
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178 | Add to Reading ListSource URL: www.internationallime.orgLanguage: English - Date: 2007-06-13 11:16:47
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179 | Add to Reading ListSource URL: www.internationallime.orgLanguage: English - Date: 2007-06-13 11:18:23
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180 | Add to Reading ListSource URL: www.internationallime.orgLanguage: English - Date: 2007-06-13 11:12:38
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