U.S.G.S. 7.5 minute series (topographic) North Decimal Degree 39.625000. South Decimal Degree 39.500000. East Decimal Degree -75.375000. West Decimal Degree -75.500000. Alternate title: Salem, N. J. Polyconic projection. Universal transverse Mercator grids are shown. Relief shown by 10 feet contour interval and spot heights. Datum is mean sea level. Depth curves and soundings in feet- datum is mean low water. Shoreline shown represents the approximate line of mean high water. The average range of tide is approximately 5 feet. "Mapped by the United States Coast and Geodetic Survey; Edited and published by the United States Geological Survey. Control by USC&GS, and New Jersey Geodetic Survey. Culture and drainage in part compiled from aerial photographs taken 1946. Topography by plane-table methods 1947. Field check 1948." Map is temporarily filed in the Reserve Course Materials Collection.
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