Several minor modifcations have been made to the data as distributed by the NRCS to remove inconsistencies between states and simplify analysis software. The modifications for Wisconsin are:
In addition, while processing the COMP and LAYER tables at PSU/ESSC, one or more problems or inconsistencies were found which could not be corrected without reference to the original state soils data. These are listed in file known_problems.txt.
In addition to the NRCS metadata for this data set, the NCRS STATSGO Data Users Guide is available for viewing or downloading in either Postscript or Adobe Acrobat format.
The data are in an Albers Equal Area projection, with the following parameters:
Datum NAD27 Units meters Spheroid Clarke1866 1st standard parallel 29 30 0.000 2nd standard parallel 45 30 0.000 Central meridian -96 0 0.000 Latitude of projection's origin 23 0 0.000 False easting (meters) 0.0 False northing (meters) 0.0