61 | Add to Reading ListSource URL: www.anderssonwise.comLanguage: English - Date: 2013-07-17 12:21:50
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62 | Add to Reading ListSource URL: www.mc.uky.eduLanguage: English - Date: 2012-12-11 10:24:00
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63 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-16 14:06:10
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64 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-07-27 10:33:26
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65 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-06-17 07:39:46
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66 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-11-29 07:14:30
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67 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-04 07:29:53
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68 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1998-09-02 09:18:24
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69 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-03-12 10:35:23
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70 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-10-17 07:49:25
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