211 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-03-30 11:16:53
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212 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-02-14 13:36:46
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213 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-08-28 13:38:17
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214 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-01-12 14:30:56
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215 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-09-14 10:23:51
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216 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-01-17 10:51:51
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