1940. Geological Survey (U.S.). Surveyed in 1930 and 1935.;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.).
Search Results
1932. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1927 and 1929.";Relief shown by contours and spot heights.;Road classification 1932.;1 map, colored;45 x 34 ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1946. Geological Survey (U.S.). Mapped by the Geological Survey 1942-1943.;"Road classification 1945.";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.).
1915. Geological Survey (U.S.). Surveyed in 1911 and 1913.;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.).
1914. Geological Survey (U.S.). Surveyed in 1912.;Relief shown by contours and spot heights.;1 map, colored;45 x 36 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1923. Geological Survey (U.S.). Surveyed in 1919-1920.;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.).
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.).
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.).