1928. Geological Survey (U.S.). Surveyed in 1922 and 1924-1925.;Relief shown by contours and spot heights.;Road classification "July. 1927.";1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
Search Results
1923. Geological Survey (U.S.). Surveyed in 1921.;Contour interval 20 feet.;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.).
1948. Geological Survey (U.S.). Contour interval 20 feet;Mapped by the Geological Survey 1946.";10 foot contours added in dashed lines.";Relief shown by contours and spot heights.... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1912. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1910.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours.;1 map, colored;45... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1910. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot heights.;Surveyed in 1908.;1 ... Geological Survey (U.S.).
1943. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1936, 1937, and 1942";Relief shown by contours and spot heights.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1924. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1914.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours.;1 map, colored;45 x 3... Geological Survey (U.S.) and State Geological Survey (Urbana, Ill.).
1914. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1908 and 1912.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot ... Geological Survey (U.S.) and State Geological Survey (Urbana, Ill.).
1906. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1905.";"Surveyed in cooperation with the State of Illinois.";Includes "diagram of township.";Relief indicate... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1932. Geological Survey (U.S.). Contour interval 20 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1924, 1928, 1... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).