These data layers represent hydrography for Marinette County, Wisconsin in 2015. It is a feature class within the geodatabase 'Marinette_Hydro_2015.gdb'. The feature layers included in this geodatabase are 'Marinette_HydroLine_2015' and 'Marinette_HydroPoly_2015'. [The hydroarc shapefile represents the lakes, ponds, rivers and streams in Marinette County, Wisconsin. Data is referenced to the Marinette County Coordinate System, North American Datum 1983 with the 1991 adjustment (NAD83/91).]