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Start Over Publisher Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.) Bounding Box -86.51116 39.149274 -86.508949 39.150938

11. Dalton City quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1949. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods 1947.";Relief... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

12. Dwight quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1950. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1948. Topography by plane-table methods 1948.";Relief... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

13. Edgewood quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1957. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1953. Topography by planetable surveys 1955-1956.;Contour interval 20 feet.;Rel... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

14. Effingham quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1951. Geological Survey (U.S.). Contour interval 10 feet;"Culture and drainage in part compiled from aerial photographs taken 1938-1939. Topography by plane-table methods 1949-195... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

15. Erie quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1953. Geological Survey (U.S.). Contour interval 10 feet.;"Topography from aerial photographs by Kelsh plotter and by plane-table surveys 1952. Aerial photographs taken 1951";Reli... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

16. Fairfield quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1948. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods 1946.;Contour interval 20 feet.;Coordin... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

17. Flanagan quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1958. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1951. Topography by planetable surveys 1957-1958.;Contour interval 10 feet.;Rel... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

18. Flora quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1949. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods 1947-1948.";... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

19. Hillsboro quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1949. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken 1938. Topography by plane-table methods 1947.;Contour interval 20 feet.;Relief ... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

20. Illinois, Albion Quadrangle : 15-minute series.

University Of Illinois Urbana Champaign Public content
1946. Geological Survey (U.S.). (W 88⁰15ʹ00ʺ--W 88⁰00ʹ00ʺ/N 38⁰30ʹ00ʺ--N 38⁰15ʹ00ʺ);"Road classification 1945.";Relief shown by contours and spot heights.;1 map, colored;45 x 36 c... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).