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201. Illinois, Mount Vernon quadrangle.

Maps University Of Illinois Urbana Champaign Public content
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.).

202. Illinois, Mt. Carroll quadrangle : 15-minute series.

Maps University Of Illinois Urbana Champaign Public content
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.).

203. Illinois, Mt. Sterling quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

204. Illinois, Murphysboro quadrangle : topography.

Maps University Of Illinois Urbana Champaign Public content
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.).

205. Illinois Nashville quadrangle.

Maps University Of Illinois Urbana Champaign Public content
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.).

206. Illinois, New Athens quadrangle : topography.

Maps University Of Illinois Urbana Champaign Public content
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.).

207. Illinois, New Douglas quadrangle : 15-minute series.

Maps University Of Illinois Urbana Champaign Public content
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.).

208. Illinois, Newton quadrangle: 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1943. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1941.";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.).

209. Illinois, Normal quadrangle.

Maps University Of Illinois Urbana Champaign Public content
1930. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1925-1926.";Relief shown by contours and spot heights.;Shows roadway classification as of 1929.;1 map, color... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

210. Illinois, Oakland quadrangle.

Maps University Of Illinois Urbana Champaign Public content
1942. 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 1922, 1935 an... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).