Geological Survey of New Jersey. Atlas Sheet 6 (Central Red Sandstone) (1890) Geological Survey of New Jersey. Annual Report of the State Geologist 1887 Companion text: Topographic survey / Cornelius Clarkson Vermeule. Annual report of the State Geologist for the year 1887 / George H. Cook. Trenton, NJ: Geological Survey of New Jersey. Annual Report 1887. 1887. 10-19pp. 1fig. See also: Annual report of the State Geologist for the year 1888 / George H. Cook. Camden, NJ: Geological Survey of New Jersey. Annual Report 1888. 1889. 7-9pp. Relief shown by 20 ft. (hilly portion) 10 ft. (low country) contour intervals and spot heights. Originally bound together (1-20 sh.) to form the "Atlas of New Jersey", from original surveys based on the triangulation of the U.S. Coast and Geodetic Survey. Lithographed by Julius Bien & Co., NY. In upper margin: Geological Survey of New Jersey. Atlas sheet no. 6. Map reference is also found in the volume with call number: DOC 8565.672 1887.