1892. Gannett, Henry, 1846-1914, Harrison, D. C., and Renshawe, John H. Contour interval 10 feet.;"Surveyed in 1890.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).
Search Results
1940. 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 1927 and 1933-... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1915. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1913";"Surveyed in cooperation with the State of Illinois."; (W 89⁰45ʹ00ʺ--W 89⁰30ʹ00ʺ/N 39⁰15ʹ00ʺ--N 39⁰00ʹ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1940. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1928, 1930, 1932, and 1933";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.).
1944. Geological Survey (U.S.). Contour interval 20 feet;"Surveyed in 1939, 1940, and 1942";Relief shown by contours and spot heights.;Road classification as of 1943.;1 map, color... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1929. Geological Survey (U.S.). Relief shown by contours and spot heights.;"Surveyed in 1925-1926.";Contour interval 20 feet;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey Division (Urbana, Ill.) and Geological Survey (U.S.).
1910. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1908.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot heights.;... Geological Survey (U.S.) and Geological Survey (Urbana, Ill.).
1936. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1908, 1931 and 1932.";Relief shown by contours and spot heights.;Shows roadway classification as of 1935.;1 ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1912. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1908-1909.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot heig... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
1944. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1936 and 1937.";Relief shown by contours.;Shows roadway classification as of 1943.;1 map, colored;45 x 35 cm... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).