REFERENCES CITED

Singer, M. J., and P. Janitzky (ED.).  1986.  Field and Laboratory Proce
dures Used in a Chronosequence Study, USGS Bulletin 1648.  USGS:   Washington D.C.

Schoeneberger, P.J., Wysocki, D. A., Benham, E. C., and Broderman,
W. D.  1998.  Field Book for Describing and Sampling Soils Version 1.1.  National Soil Survey Center, Natural Resource Conservation Service, USDA:  Lincoln, Nebraska.

Soil Survey Division Staff.  1993.  Soil Survey Manual, USDA Handbook
18.   USDA:  Washington D. C.


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