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.).
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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.).
1917. Geological Survey (U.S.). Relief shown by contours.; Contour interval 5 feet.; "Surveyed in 1916." 141 x 63 centimeters Scale approximately 1:21,120; 3 inch to 1 miles City ... U.S. Geological Survey (Washington, D.C).
1897. Geological Survey (U.S.). Shows buildings, roads and railroads.; Relief shown by contours and spot heights.; "Surveyed in 1895."; Includes legend. 43 x 62 centimeters Scale ... U.S. Geological Survey (Washington, D.C).
Geological Survey (U.S.). U.S. Geological Survey, George Otis Smith, Director; R.B. Marshall, Chief Geographer; Sledge Tatum, Geographer in charge; topography by A.P. Meade,... The Survey.
Geological Survey (U.S.) and Davis, E. P. (E. Philip), 1957-. Includes "Index to shafts.".
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.).
1898. Geological Survey (U.S.). Relief shown by contours, hachures, and spot heights.; "Surveyed in 1896-1897."; "R.U. Goode, Geographer in charge. Triangulation by S.S. Gannett. ... U.S. Geological Survey (Washington, D.C).
Geological Survey (U.S.). Relief shown by contours and spot heights. "Surveyed in 1904-1905 and 1909.". U.S. Geological Survey.