1958. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1939-1941";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.).
Search Results
1944. Geological Survey (U.S.). Contour interval 20 feet.;Relief shown by contours and spot heights.;Road classification as of 1944.;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";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.).
1927. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1924 and 1925";Includes text on verso.;Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.;... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1940. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1930 and 1935.";Relief shown by contours.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1913. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1911.";"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.).
1937. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1929 and 1933-1934";Relief shown by contours and spot heights.;Shows roadway classification as of 1936.;1 map... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1909. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1906-1907.";"Surveyed in cooperation with the State of Illinois."; (W 90⁰00ʹ00ʺ--W 89⁰45ʹ00ʺ/N 40⁰00ʹ00ʺ--N ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1925. Geological Survey (U.S.). Relief shown by contours and spot heights.;"Surveyed in 1922-1923.";Contour interval 10 feet.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey Division (Urbana, Ill.) and Geological Survey (U.S.).
1938. Geological Survey (U.S.). Contour interval 10 feet. Text and ill. on verso.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"S... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).