61 | Add to Reading ListSource URL: www.usc.eduLanguage: English - Date: 2014-04-25 17:10:48
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62 | Add to Reading ListSource URL: asfc.gc.caLanguage: English - Date: 2012-12-12 13:53:40
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63 | Add to Reading ListSource URL: water.epa.govLanguage: English - Date: 2011-09-10 15:21:37
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64 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 1996-09-17 13:29:37
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65 | Add to Reading ListSource URL: www.dep.state.fl.usLanguage: English - Date: 2009-10-15 08:54:15
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66 | Add to Reading ListSource URL: www.hazardouswaste.utah.govLanguage: English - Date: 2014-06-11 15:24:13
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67 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2000-02-01 12:21:36
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68 | Add to Reading ListSource URL: www.dep.state.fl.usLanguage: English - Date: 2009-10-27 15:56:16
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69 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2012-01-05 13:24:54
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70 | Add to Reading ListSource URL: www.wiley-vch.deLanguage: English - Date: 2009-08-30 21:03:06
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