Gelisols

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81	PDF Document Add to Reading List Source URL: www.ldd.go.th Language: English - Date: 2010-12-28 03:40:55 Pedology Earth sciences Gelisols Permafrost Cryosphere Active layer Tundra National Snow and Ice Data Center Soil Physical geography Earth Geography
82	PDF Document Add to Reading List Source URL: research.iarc.uaf.edu Language: English - Date: 2008-07-18 14:46:46 Drunken trees Permafrost Active layer Arctic ecology Gelisols Taiga Mackenzie River Cold Regions Research and Engineering Laboratory Lake Physical geography Geography Pedology
83	PDF Document Add to Reading List Source URL: clic.cses.vt.edu Language: English - Date: 2005-06-28 13:35:33 Physical geography Soil classification Canadian system of soil classification Gelisols USDA soil taxonomy Australian Soil Classification Ultisols Regosols World Reference Base for Soil Resources Pedology Soil science Soil