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Soils

British Society of Soil Science
Forest Resources Systems Institute
GSF - UFIS - FAO - Soil Unit Classification Scheme
NASA - GSFC - Soil Science Education Page
Sciences of Soils: Online Journal for the Soil Sciences
USDA - ARS - National Soil Erosion Research Laboratory

USDA - NRCS - Soils Explorer
USDA - NRCS - Soil Quality Institute
USDA - NRCS - Soil Survey Division


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