Resource provided by UW-Madison Robinson Map Library. These polygon and line data layers represent hydrography for Ozaukee County, Wisconsin in 2017. They are feature classes within the geodatabase, Ozaukee_Hydro_2017.gdb. The features included in the 'OzaukeeCounty_HydroLine_2017' and 'OzaukeeCounty_HydroPolygon_2017'.