Soil Core Logging References

• G.W. Hurt, P.M. Whited, and R.F. Pringle (editors), Field indicators of Hydric Soils in the United States, Version 5.0, 2002. USDA, NRCS in cooperation with the National Technical Committee for Hydric Soils, Fort Worth, TX
• 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. National Soil Survey Center, USDA, Natural Resources Conservation Service, National Soil Survey Center, Lincoln, NE
• Soil Survey Staff, 1951, Soil Survey Manuay. USDA, Soil Conservation Service, Agriculture Handbook No. 18, U.S. Government Printing Office, Washington, D.C. 437 pp.
• Soil Survey Staff. 1998 Keys to Soil Taxonomy, 8th ed. USDA, Soil Conservation Service, Agriculture Handbook No. 18, U.S. Government Printing Office, Washington, D.C. 437 pp.
• Soil Survey Staff. 2001. National Soil Survey Handbook (electronic file). USDA, Natural Resources Conservation Service, National Soil Survey Center, Lincoln, NE ( http://soils.usda.gov/procedures/handbook/main.html )

Additional references will be added later.