61 | Add to Reading ListSource URL: www.nr.gov.nl.caLanguage: English - Date: 2014-02-28 09:32:23
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62 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1997-03-07 14:50:02
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63 | Add to Reading ListSource URL: www.in.govLanguage: English - Date: 2014-08-06 23:41:45
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64 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-04-04 12:13:13
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65 | Add to Reading ListSource URL: minerals.er.usgs.govLanguage: English - Date: 1998-02-19 15:05:03
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66 | Add to Reading ListSource URL: www.umwelt.sachsen.deLanguage: English - Date: 2014-08-18 07:14:55
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67 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2014-03-07 15:01:40
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68 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2009-01-29 14:40:34
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69 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2004-01-13 09:52:22
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70 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2005-01-12 10:19:53
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