61 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-02-01 13:06:15
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62 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-02-14 10:55:21
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63 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2003-02-11 11:24:42
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64 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-03-06 09:33:06
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65 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-10-31 08:06:15
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66 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2002-05-07 07:03:18
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67 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-08-20 09:40:25
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68 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-09-17 13:31:43
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69 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1997-06-19 07:56:02
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70 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-01-31 10:11:46
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