Nautical charts. Intracoastal Watencays Longport to Cape May, N. J., topography by Coast and Geodetic Survey in 1936, hydrography by Coast and Geodetic Survey in 1937 and 1938, supplemented by surveys in dredged channels by U. S. Engineers to 1939 and New Jersey Board of Commerce and Navigation to 1939; chart 827. Scale 1:40,000.