51 | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-08-18 07:22:55
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52 | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-08-28 11:29:42
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53 | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-08-25 17:25:55
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54 | Add to Reading ListSource URL: www.bostonmineralclub.orgLanguage: English - Date: 2009-01-28 18:58:50
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55 | Add to Reading ListSource URL: rruff.infoLanguage: English - Date: 2006-09-10 17:01:34
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56 | Add to Reading ListSource URL: globalchange.umich.eduLanguage: English - Date: 2010-08-24 14:56:08
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57 | Add to Reading ListSource URL: alaska.usgs.govLanguage: English - Date: 2010-12-27 22:18:11
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