1956. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1948. Topography by plane-table surveys 1934-1935 an... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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1956. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1953-1954. Topography by planetable surveys 1955-195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1956. Bier, James Allen. Scale 1:1,250,000. "Based primarily on U.S.G.S. topographic maps.". Ohio. Division of Geological Survey.
1956. George Philip & Son, Ltd. North Decimal Degree 90.000000. South Decimal Degree -90.0000. East Decimal Degree 180.0000. West Decimal Degree -160.000... London, UK : [s.n.], 1956.
1956. Three copies of a sketch of the Carvis Marine Company property on Inside Thorofare, Ventnor City, N.J.
1956. Henry, Everett. Pictorial world map. Cleveland, Ohio : Harris-Seybold Co., c1956.