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A data.frame containing taxon codes and the Soil Moisture Regime associated with that taxon.
data(ST_SMR_13th)
An object of class data.frame with 3082 rows and 2 columns.
data.frame
Future revisions of this data set may additionally include the Soil Moisture Subclass.
S. W. Buol and R. C. Graham and P. A. McDaniel and R. J. Southard. Soil Genesis and Classification, 5th edition. Iowa State Press, 2003.