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Start Over Place Iowa Format JPEG2000 Bounding Box -86.51116 39.149274 -86.508949 39.150938

2. American Central Railway.

University Of Illinois Urbana Champaign Public content
1866. American Central Railway Company. Relief shown using hachures.;1 map, colored;40 x 115 cm.;ca. 1:1,200,000. J. Bien (New York).

4. Illinois-Iowa, Edgington quadrangle : topography

University Of Illinois Urbana Champaign Public content
1916. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1913.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours and spot heights.;1 ma... Geological Survey (U.S.)|State Geological Survey (Urbana, Ill.).

5. Illinois-Iowa Galena quadrangle : topography

University Of Illinois Urbana Champaign Public content
1913. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed 1909 and 1911.";"Surveyed in cooperation with the State of Illinois.";Relief indicated by contours and spot hei... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

6. Illinois-Iowa, Lomax quadrangle

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 1931-1932";Reli... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

7. Illinois-Iowa, Milan quadrangle : topography.

University Of Illinois Urbana Champaign Public content
1912. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1910.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours and spot heights.;1 ma... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

8. Iowa-Illinois, Burlington quadrangle : topography

University Of Illinois Urbana Champaign Public content
1940. Geological Survey (U.S.). Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.;"Surveyed in 1934.";Relief shown by contours and spot ... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).

9. Iowa-Illinois, Davenport sheet : reconnaissance map

University Of Illinois Urbana Champaign Public content
1927. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1889.";Relief shown by contours and spot heights.;1 map, colored;45 x 34 cm.;1:62,500. Geological Survey (U.S.).

10. Iowa-Illinois, East Dubuque quadrangle

University Of Illinois Urbana Champaign Public content
1940. Geological Survey (U.S.). Surveyed in 1935;Contour interval 20 feet.;Relief shown by contours and spot heights.;1 map, colored;46 x 34 cm.;1:62,500. Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).