Schoeneberger, P.J. , Wysocki, D.A. , Benham, E.C. and Broderson, W.D. , editors 2002: Field book for describing and sampling soils, Version 2.0.Lincoln NE: Natural Resources Conservation Service, National Soil Survey Center .
2.
Soil Survey Staff2003: Keys to soil taxonomy. Ninth edition. Washington DC: Natural Resources Conservation Service, United
