211 | Add to Reading ListSource URL: fcx.comLanguage: English - Date: 2014-07-23 08:01:18
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212 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-06-19 12:14:18
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213 | Add to Reading ListSource URL: www.dtic.milLanguage: English - Date: 2010-06-09 15:58:08
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214 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2012-07-19 11:16:42
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215 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-06-19 12:14:18
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216 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-11-19 11:32:31
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217 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-15 10:42:05
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218 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-05-31 12:56:50
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219 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-06-16 09:32:17
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220 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-06-13 09:24:58
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