New Jersey. Department of Conservation and Development. Division of Planning and Development. Atlas Sheet 21 (1959) New Jersey Geological Survey. Alternate title: [New Jersey.] Atlas sheet no. 21. Relief show by 20 ft. contour intervals and spot heights. Title was not given. Region covered: Kittatinny Valley and Mountain. Original survey made under direction of C.C. Vermeule, Topographer in 1880-3. 1946 revision by R. G. Blanchard, Topographic Engineer, revision of 1959 by staff of the Bureau of Geology and Topography. In lower left margin: Sheet 21: topographic series.