U.S.G.S. 7.5 minute series (topographic), [New Jersey], Marmora. North Decimal Degree 39.375000. South Decimal Degree 39.250000. East Decimal Degree -74.625000. West Decimal Degree -74.750000. Alternate title: Marmora, 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 mean range of tide is 4 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 1950. Topography by plane-table surveys 1950. Field check 1952. Hydrography from surveys dated 1937." Map is temporarily filed in the Reserve Course Materials Collection.
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