1969. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1950. Topography by plane-table surveys 1954."; (W 8... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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1949. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1939. Topography by plane-table methods 1946.";Relie... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1959. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1951. Topography by planetable surveys 1957-1958.;Includes location map.;Relief... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1949. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1938-1941. Topography by plane-table methods, 1947.";... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1949. Geological Survey (U.S.). Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods, 1946-1947";... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1949. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods 1947.";Relief... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1958. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1954. Topography by planetable surveys 1924, Revised... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1949. Geological Survey (U.S.). Contour interval 10 feet.;"Topography by plane-table methods, 1946";Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1952. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1951. Topography by plane-table surveys 1952";Relief... Geological Survey (U.S.).
1955. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1952. Topography by plane-table surveys 1953.";Relie... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).