A topographical map of the valley of the Passaic with the country eastward to Newark and southward to the Raritan River

Description:: Geological Survey of New Jersey. Atlas Sheet 6 (Central Red Sandstone) (1900) New Jersey Geological Survey. Relief shown by 20 ft. (hilly portions) and 10 ft. (low country) contour intervals and spot heights. "From original surveys and levelings based on the triangulation of the U.S. Coast and Geodetic Survey. Surveys made in 1887. Railroads revised to date. In upper margin: Geological Survey of New Jersey. Atlas sheet no. 6. (Central Red Sandstone.)
Publisher:: Trenton, N.J. : Geological Survey of New Jersey, 1900.
Subject(s):: Topographic maps, Mines and mineral resources, Quarries and quarrying, and Somerset County (N.J.)—Maps
Held by:: Princeton
More details at: https://catalog.princeton.edu/catalog/6866219