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.).
Search Results
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.).
1925. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1903.";Relief shown by contours, spot heights and bathymetric soundings.;1 map, colored;45 x 70 cm.;1:62,500. Geological Survey (U.S.).
1950. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1939. Topography by plane-table methods 1948";Relief... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1960. Geological Survey (U.S.). Contour interval 20 feet.;"Topography from aerial photographs by photogrammetric methods and by planetable surveys. Aerial photographs taken 1957";... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Kentucky Geological Survey (Lexington, Ky.).
1949. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1940. Topography by plane-table methods 1947";Relief... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1949. Geological Survey (U.S.). (W 88⁰45ʹ00ʺ--W 88⁰30ʹ00ʺ/N 39⁰30ʹ00ʺ--N 39⁰15ʹ00ʺ);"Culture and drainage in part compiled from aerial photographs taken 1939. Topography by plane-... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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 1952-1953.";... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1964. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1948. Topography by plane-table methods 1935 and 195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).