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Start Over Publisher Geological Survey (U.S.) Bounding Box -40.000931 39.999015 -39.999064 40.000987

41. Illinois, Ashley quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

42. Illinois Avon quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

43. Illinois, Baldwin quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

44. Illinois, Barrington quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

45. Illinois, Beardstown quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

46. Illinois, Belleville quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

47. Illinois, Breese quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

48. Illinois, Brighton quadrangle

Maps University Of Illinois Urbana Champaign Public content
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.).

49. Illinois (Bureau County), Buda quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1923. Geological Survey (U.S.). Surveyed in 1921.;Contour interval 20 feet.;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.).

50. Illinois, Camp Point quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1948. Geological Survey (U.S.). Contour interval 20 feet;Mapped by the Geological Survey 1946.";10 foot contours added in dashed lines.";Relief shown by contours and spot heights.... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).