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

61. 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.).

63. 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.).

64. Illinois, Danvers quadrangle

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1930. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1926-1927.";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.).

65. Illinois, De Kalb quadrangle

Maps University Of Illinois Urbana Champaign Public content
1937. 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 1934";Relief s... Geological Survey (U.S.).

66. Illinois, Decatur quadrangle

Maps University Of Illinois Urbana Champaign Public content
1933. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1929"; (W 89⁰00ʹ00ʺ--W 88⁰45ʹ00ʺ/N 40⁰00ʹ00ʺ--N 39⁰45ʹ00ʺ);Relief shown by contours and spot heights.;Shows r... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

67. Illinois, Divernon quadrangle

Maps University Of Illinois Urbana Champaign Public content
1957. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1922.";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.).

68. Illinois, Dixon 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 (U.S.) and Geological Survey Division (Urbana, Ill.).

69. Illinois, Dongola quadrangle

Maps University Of Illinois Urbana Champaign Public content
1958. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1919-1920, in cooperation with the State of Illinois.";Relief shown by contours and spot heights.;1 map, col... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

70. Illinois, Dunlap sheet

Maps University Of Illinois Urbana Champaign Public content
1893. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1891.";Relief indicated by contours.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).