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

71. Illinois, Duquoin quadrangle

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

72. Illinois, Eldorado quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1906. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1905.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours.;1 map, colored;45 x 3... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

73. Illinois, Elgin 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.).

74. Illinois, Elmwood 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 1943-1944";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.).

75. Illinois, Enfield quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1944. Geological Survey (U.S.). Road classification as of 1943.;"Contour interval 10 feet";"Surveyed in 1921 and 1941";Relief shown by contours and spot heights.;1 map, colored;45... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

76. Illinois, Equality quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1916. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1913-1914.";"Surveyed in cooperation with the State of Illinois.";Coordinates (W 88⁰30’00"--W 88⁰15’00"/N 37... Geological Survey (U.S.) and State of Illinois State Geological Survey (Urbana, Ill.).

77. Illinois, Fithian quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1943. Geological Survey (U.S.). Contour interval 10 feet.;"Surveyed in 1930-1931 and 1939.";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.).

78. Illinois, Forreston quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1945. Geological Survey (U.S.). Contour interval 20 feet.;Mapped by the Geological Survey 1930, 1940 and 1942.;Shows roadway classification as of 1945.;1 map, colored;45 x 34 cm.;... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

79. Illinois, Galatia quadrangle : topography

Maps University Of Illinois Urbana Champaign Public content
1908. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1906.";"Surveyed in cooperation with the State of Illinois.;Relief indicated by contours and spot heights.;1... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

80. Illinois, Galesburg quadrangle

Maps University Of Illinois Urbana Champaign Public content
1927. Geological Survey (U.S.). Surveyed in 1924-1925.;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.).