New Jersey Department of Conservation and Economic Development. Division of Planning and Development. Atlas Sheet 30 (1951) New Jersey Geological Survey. Alternate title: [New Jersey.] Atlas sheet no. 30. Relief shown by 10 ft. contour interval and spot heights. Depth of water shown by soundings in feet at mean low tide. Title is not given. Region covered: parts of Gloucester and Salem counties. Original survey made under direction of C. C. Vermeule, Topographer in 1880-3, 1951 revision by R. G. Blanchard, Topographic Engineer.