United States. Geological Survey. U.S.G.S. Alternate title: Sandy Hook. In upper margin: Topography. Relief shown by 10 feet contour intervals. Triangulation by the U.S. Coast and Geodetic Survey. Topography by C.C. Vermeule. Surveyed in 1884. Verso: legend and explanatory notes: "Description of the topographic map of the United States".