New Jersey. Department of Conservation and Development. Division of Geology and Topography. Atlas Sheet 27 (1943) New Jersey Geological Survey. Relief shown by 10 ft. contour interval and spot heights. Inset: map continuation, Trenton area. Title was not given. Region covered: vicinity of Trenton. Original survey 1885, principal features revised 1913, 1926, 1930, 1942. Original survey and revisions to 1913 made under direction of C. C. Vermeule, Topographer. Revision of 1942 by W. E. Rochford, Topographic Engineer.