State of New Jersey Department of Conservation and Economic Development, Division of Planning and Development map showing modified pierhead line on Grassy Sound Channel in the Township of Lower in the County of Cape May. Map no. 509.PDFhttps://doi.org/doi:10.7282/T3WS8XT2engPublicMap showing modified pierhead line on Grassy Sound Channel in the Township of Lower in the County of Cape MayMapsNew Jersey--Cape May CountyNew JerseyRutgers University-New Brunswick