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1. Hutsonville quadrangle, Illinois-Indiana : 15 minute series (topographic) Hutsonville quadrangle, Illinois-Indiana : 15 minute series (topographic) Illinois; Maps; Topographic maps; Topography; Hutsonville; Indiana Relief shown by contours and spot heights.; "Topography in Illinois from aerial photographs by Kelsh plotter, Aerial photographs taken 1956. Field check 1957, Topography in Indiana by planetable surveys...

2. Colfax quadrangle, Illinois : 15 minute series Colfax quadrangle, Illinois : 15 minute series Illinois; Maps; Topographic maps; Topography; Colfax (Ill.) Relief shown by contours and spot heights.; "Contour interval 10 feet"; "Culture and drainage in part compiled from aerial photographs taken 1956. Topography by planetable surveys 1957."

3. Annapolis quadrangle, Illinois : 15 minute series (topographic) Annapolis quadrangle, Illinois : 15 minute series (topographic) Illinois; Maps; Topographic maps; Topography; Annapolis (Ill.) Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken 1953. Topography by planetable surveys, 1956."; Includes quadrangle location map.

4. Illinois, Divernon quadrangle Illinois, Divernon quadrangle Illinois; Maps; Topographic maps; Topography; Divernon (Ill.) Relief shown by contours and spot heights.; "Contour interval 10 feet"; "Surveyed in 1922."

5. Edgewood quadrangle, Illinois : 15 minute series (topographic) Edgewood quadrangle, Illinois : 15 minute series (topographic) Illinois; Maps; Topographic maps; Topography; Edgewood (Ill.) Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken 1953. Topography by planetable surveys 1955-1956."; Contour interval 20 feet.

6. Kenney quadrangle, Illinois : 15 minute series (topographic) Kenney quadrangle, Illinois : 15 minute series (topographic) Illinois; Maps; Topographic maps; Topography; Kenney (Ill.) Relief shown by contours and spot heights.; "Topography from aerial photographs by Kelsh plotter and by planetable surveys 1957. Aerial photographs taken 1956."; "Contour interval 10 feet."

7. Shawneetown quadrangle, Illinois-Kentucky : 15 minute series (topographic) Shawneetown quadrangle, Illinois-Kentucky : 15 minute series (topographic) Shawneetown; Kentucky; Maps; Topographic maps; Topography; Illinois Relief shown by contours and spot heights.; "Topography from aerial photographs by photogrammetric methods and by planetable surveys. Aerial photographs taken 1957"; "Contour interval 20 feet."; Coordinates:...

8. Villa Grove quadrangle, Illinois : 15 minute series (topographic) Villa Grove quadrangle, Illinois : 15 minute series (topographic) Maps; Topographic maps; Topography; Illinois; Villa Grove (Ill.) Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken 1953-1954. Topography by planetable surveys, 1956."; "Contour interval 10 feet."; "Includes...

9. Illinois-Indiana, Marshall quadrangle. Illinois-Indiana, Marshall quadrangle. Marshall; Illinois; Indiana; Maps; Topographic Maps; Topography Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army"; "Surveyed in 1931-1932"; "Contour interval 10 feet."
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