1926. Geological Survey (U.S.). Surveyed in 1922-1923-1924.;Relief shown by contours and spot heights.;Road classification "Mar. 1926.";1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
Search Results
1907. Geological Survey (U.S.). Surveyed in 1905.;Relief indicated 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.).
1907. Geological Survey (U.S.). Surveyed in 1906.;"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot heights.;1 map, colored;45 x 34 cm.;1... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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.).
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.).
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.).
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.).