This data represents hydrography for Marinette County, Wisconsin in 2021 and includes the layers 'Marinette_Hydro_LINE_2021' and 'Marinette_Hydro_POLY_2021.' [Hydro LINE: 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).]