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231. Illinois, Wayne City quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1947. Geological Survey (U.S.). Contour interval 20 feet.;"Mapped by the Geological Survey 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.).

232. Illinois, Wenona quadrangle

Maps University Of Illinois Urbana Champaign Public content
1939. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1933-1934.";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.).

233. Illinois, West Frankfort quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1909. Geological Survey (U.S.). 1 map, colored;Relief indicated by contours and spot heights.;Contour interval 20 feet.;"Surveyed in 1906-1907.";Surveyed in cooperation with the S... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

234. Illinois, Wheaton quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1908. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1906.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot heights.;... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

235. Illinois, Wilmington quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1918. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1916.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours and spot heights.;1 ma... Geological Survey Division (Urbana, Ill.) and Geological Survey (U.S.).

236. Illinois, Wilmington sheet

Maps University Of Illinois Urbana Champaign Public content
1892. Geological Survey (U.S.). 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.).

237. Illinois, Winchester quadrangle

Maps University Of Illinois Urbana Champaign Public content
1926. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1921 and 1924.";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.).

238. Illinois, Woodhull quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1947. Geological Survey (U.S.). Contour interval 20 feet.;"Mapped by the Geological Survey 1945";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.).

239. Illinois, Yorkville quadrangle

Maps University Of Illinois Urbana Champaign Public content
1925. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1923.";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.).

240. Illinois-Indiana, Birds quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1917. Geological Survey (U.S.). Surveyed in 1914.;"Surveyed in cooperation with the State of Illinois.";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.).

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