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Start Over Resource Type Topographic maps Publisher Geological Survey (U.S.)

41. Illinois, Casey quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1943. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1936, 1937, and 1942";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, Cave in Rock quadrangle

Maps University Of Illinois Urbana Champaign Public content
1924. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1914.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours.;1 map, colored;45 x 3... Geological Survey (U.S.) and State Geological Survey (Urbana, Ill.).

43. Illinois, Centralia quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1914. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1908 and 1912.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot ... Geological Survey (U.S.) and State Geological Survey (Urbana, Ill.).

44. Illinois (Champaign County), Urbana quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1906. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1905.";"Surveyed in cooperation with the State of Illinois.";Includes "diagram of township.";Relief indicate... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

45. Illinois, Chandlerville quadrangle

Maps University Of Illinois Urbana Champaign Public content
1932. 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 1924, 1928, 1... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

46. Illinois, Chicago sheet

Maps University Of Illinois Urbana Champaign Public content
1891. Geological Survey (U.S.). Contour interval 5 feet.;"Surveyed in 1889.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

47. Illinois, Colchester quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1913. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1911."; (W 91⁰00ʹ00ʺ--W 90⁰45ʹ00ʺ/N 40⁰30ʹ00ʺ--N 40⁰15ʹ00ʺ);Relief shown by contours.;1 map, colored;45 x 35... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

48. Illinois (Cook County), Chicago quadrangle : topographic sheet

Maps University Of Illinois Urbana Champaign Public content
1901. Geological Survey (U.S.). Contour interval 5 feet.;"Surveyed in 1889, 1897 and 1899.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

50. Illinois, Coulterville quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1917. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1914.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot heights.;... Geological Survey (U.S.) and State Geological Survey (Urbana, Ill.).