221 | Add to Reading ListSource URL: www.bir.orgLanguage: English - Date: 2014-07-29 03:56:39
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222 | Add to Reading ListSource URL: www.pvcycle.orgLanguage: English - Date: 2013-09-02 07:10:29
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223 | Add to Reading ListSource URL: www.bir.orgLanguage: English - Date: 2013-05-05 16:03:25
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224 | Add to Reading ListSource URL: www.bir.orgLanguage: English - Date: 2013-05-05 16:03:23
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225 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-09-14 11:01:38
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226 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 11:00:57
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227 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-09-16 10:20:51
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228 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-04 07:24:38
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229 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 08:59:26
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230 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-10-02 06:18:20
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