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Start Over Resource Type Topographic maps Format JPEG2000

221. Indiana-Illinois, New Harmony quadrangle : topography.

Maps University Of Illinois Urbana Champaign Public content
1903. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1901.";Includes "diagram of township.";Relief indicated by contours and spot heights.;1 map, colored;45 x 36... Geological Survey (U.S.).

222. Indiana-Illinois, Vincennes quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1915. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1911-1913.";"Surveyed in cooperation with the State of Illinois."; (W 87⁰45ʹ00ʺ--W 87⁰30ʹ00ʺ/N 38⁰45ʹ00ʺ--N ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill).

223. Iowa-Illinois, Burlington quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1940. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.;"Surveyed in 1934.";Relief shown by contours and spot ... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

224. Iowa-Illinois, Clinton sheet : reconnaissance map

Maps University Of Illinois Urbana Champaign Public content
1908. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1890.";Relief shown by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

225. Iowa-Illinois, Davenport sheet : reconnaissance map

Maps University Of Illinois Urbana Champaign Public content
1927. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1889.";Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

226. Iowa-Illinois, East Dubuque quadrangle

Maps University Of Illinois Urbana Champaign Public content
1940. Geological Survey (U.S.). Surveyed in 1935;Contour interval 20 feet.;Relief shown by contours and spot heights.;1 map, colored;46 x 34 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

227. Iowa-Illinois, Fort Madison quadrangle

Maps University Of Illinois Urbana Champaign Public content
1936. 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 1928 and 1933... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

228. Iowa-Illinois, Goose Lake sheet : reconnaissance map

Maps University Of Illinois Urbana Champaign Public content
1894. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1890.";Relief shown by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

229. Iowa-Illinois, LeClaire sheet : reconnaissance map

Maps University Of Illinois Urbana Champaign Public content
1905. Geological Survey (U.S.). Contour interval 20 feet;"Surveyed in 1890.";Relief shown by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

230. Iowa-Illinois Miles quadrangle

Maps University Of Illinois Urbana Champaign Public content
1941. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1935.";Relief shown by contours and spot heights.;Shows roadway classification as of 1940.;1 map, colored;45... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).