231 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 11:14:17
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232 | Add to Reading ListSource URL: www.boem.govLanguage: English - Date: 2011-09-26 17:56:38
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233 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-09-14 10:33:50
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234 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 10:54:45
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235 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 08:58:43
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236 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 10:54:15
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237 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-07-16 10:51:58
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238 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 09:01:47
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239 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-05-07 07:47:36
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240 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-09-14 10:15:49
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