261 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-01-14 09:52:12
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262 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-04 07:29:26
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263 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-04-17 08:59:28
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264 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-11-17 07:33:11
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265 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 09:14:08
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266 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-05-08 07:12:47
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267 | Add to Reading ListSource URL: www.conservation.ca.govLanguage: English - Date: 2014-04-28 20:15:53
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268 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-08-31 11:14:31
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269 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-03-12 12:37:54
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270 | Add to Reading ListSource URL: www.consrv.ca.govLanguage: English - Date: 2013-10-28 14:20:43
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