1944. Geological Survey (U.S.). Road classification as of 1943.;"Contour interval 10 feet";"Surveyed in 1921 and 1941";Relief shown by contours and spot heights.;1 map, colored;45... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
Search Results
1916. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1913-1914.";"Surveyed in cooperation with the State of Illinois.";Coordinates (W 88⁰30’00"--W 88⁰15’00"/N 37... Geological Survey (U.S.) and State of Illinois State Geological Survey (Urbana, Ill.).
1943. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1930-1931 and 1939.";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.).
1945. Geological Survey (U.S.). Contour interval 20 feet.;Mapped by the Geological Survey 1930, 1940 and 1942.;Shows roadway classification as of 1945.;1 map, colored;45 x 34 cm.;... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1908. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1906.";"Surveyed in cooperation with the State of Illinois.;Relief indicated by contours and spot heights.;1... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1927. Geological Survey (U.S.). Surveyed in 1924-1925.;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.).
1944. Geological Survey (U.S.). Road classification as of 1943.;Relief shown by contours and spot heights.;"Surveyed in 1930-1931 and 1940.";Contour interval 10 feet.;1 map, color... Geological Survey Division (Urbana, Ill.) and Geological Survey (U.S.).
1932. Geological Survey (U.S.). Surveyed in 1928-1929.;Relief shown by contours and spot heights.;Road classification 1932.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1938. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1932-33.";col.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1928. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1924-1925.";R... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).