Approach - Soil Geography of the USA: A Diagnostic-Horizon Approach

Geoscience Reference

In-Depth Information

References

Soil Survey Division (2013a) Soil classification database. USDA - Natural Resources Conserva-

tion Service [Online WWW]. Available URL: http://soils.usda.gov/technical/classification/

scfile/index.html

Soil Survey Division (2013b) Official soil series descriptions. USDA - Natural Resources

Conservation Service. [Online WWW]. Available URL: http://soils.usda.gov/technical/classi

fication/osd/index.html

Soil Survey Division (2013c) Soil laboratory data. USDA - Natural Resources Conservation

Service. [Online WWW]. Available URL: http://ncsslabdatamart.sc.egov.usda.gov

Soil Survey Staff (2010) Keys to soil taxonomy, 11th edn). USDA, National Resources Conser-

vation Service, National Soil Survey Center, Lincoln

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