Natural Rivers

Natural Rivers Lines for the Michigan Natural Rivers program. Michigan's Natural Rivers program is a river protection effort that protects the natural quality of select river systems throughout the state by regulating their use and development through zoning rules. Natural Rivers Polygons queried from the hydro polygon data. This data is derived from the DNR Reference Hydro Line of the DNRHydrologyOPENDATA service. Data has been limited to the boundaries of Region 14