1922, 1924, 1927, 1928, 1929, 1930, 1931, 1932, 1933, 1934, 1935, 1936, 1937, 1938, 1939, 1940, 1941, 1942, 1943, 1945, 1947, 1948, 1949, 1950, 1951, 1952, 1955, 1956, 1958, 1959, 1960, and 1962. American Geographical Society of New York. GeoJSON index map of polygons using the OpenIndexMaps 1.0 schema. Complex geometry including inset maps (Multipolygon) and multiple editions of som... American Geographical Society of New York.
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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.).
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. The Polar Geospatial Center curates a polar historical and contemporary map catalog from many organizations. Historical paper maps have been digita...
1956. Ottawa County (Mich.) and Board of County Road Commissioners. Extent: 1 map Notes: Indexed. Scale approximately 1:110,000. The Board.
1956. Three copies of a sketch of the Carvis Marine Company property on Inside Thorofare, Ventnor City, N.J.
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