These data layers represent zoning for Columbia County, Wisconsin in 2014. It is a feature class within the geodatabase, Columbia_Zoning_2014.gdb. The feature layers included in this geodatabase are 'BASEZONING', and 'OVERLAYZONING'.
For most current data, please visit http://www.co.columbia.wi.us/ColumbiaCounty/landinformation/InteractiveMapping/tabid/235/Default.aspx