Map shows soundings. Possibly related to map entitled: Pierhead and Bulkhead Lines for the Westerly Shore of the Upper Bay, New York Harbor Clifton, S.I. to Hudson River including the Northeast Shore of Staten Island, N.Y. Jersey Flats, and Ellis Island, N.J.PDFhttps://doi.org/doi:10.7282/T3V98CFCengPublicSoundings in New York BayMapsNew YorkNew Jersey--Hudson CountyNew JerseyRutgers University-New Brunswick