1 | Add to Reading ListSource URL: www.kreig.netLanguage: English - Date: 2014-08-27 18:14:21
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2 | Add to Reading ListSource URL: www.greenpeace.orgLanguage: English - Date: 2010-04-13 08:30:43
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3 | Add to Reading ListSource URL: www.nature.nps.govLanguage: English - Date: 2007-06-22 14:46:34
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4 | Add to Reading ListSource URL: nature.nps.govLanguage: English - Date: 2011-04-29 11:58:19
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5 | Add to Reading ListSource URL: nature.nps.govLanguage: English - Date: 2009-09-19 15:03:24
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6 | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2007-12-11 10:59:14
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7 | Add to Reading ListSource URL: www.uspermafrost.orgLanguage: English - Date: 2009-09-24 19:05:12
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8 | Add to Reading ListSource URL: nature.nps.govLanguage: English - Date: 2007-06-22 14:46:34
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9 | Add to Reading ListSource URL: alaskacenters.govLanguage: English - Date: 2011-08-16 16:18:38
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10 | Add to Reading ListSource URL: water.usgs.govLanguage: English - Date: 2014-03-13 18:46:46
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