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select all : clear all : add to favorites results 1-19 of 19 item(s)  page 1 of 1 : ( <<  1  >> ) :: previous : next
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1. Le Roy quadrangle, Illinois : 15 minute series (topographic) Le Roy quadrangle, Illinois : 15 minute series (topographic) Illinois; Maps; Topographic maps; Topography; Le Roy (Ill.) Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken 1940. Topography by plane-table surveys 1930 and 1950-1951"; "Contour interval 10 feet."...

2. Illinois (Iroquois County), Cissna Park quadrangle Illinois (Iroquois County), Cissna Park quadrangle Illinois; Maps; Topographic maps; Topography; Cissna Park (Ill.); Iroquois County (Ill.) Relief shown by contours and spot heights.; "Surveyed in 1939."; "Contour interval 10 feet."

3. Illinois, Forreston quadrangle : 15-minute series Illinois, Forreston quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Forreston (Ill.) "Mapped by the Geological Survey 1930, 1940 and 1942."; "Contour interval 20 feet."; Shows roadway classification as of 1945.

4. Illinois-Iowa, Oquawka quadrangle. Illinois-Iowa, Oquawka quadrangle. Oquawka (Ill.); Illinois; Maps; Topographic maps; Topography Relief shown by contours and spot heights.; "Surveyed in 1931 and 1934"; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army."; "Contour intervals 10 and 20 feet...

5. Iowa-Illinois, East Dubuque quadrangle Iowa-Illinois, East Dubuque quadrangle Illinois; Maps; Topographic maps; Topography; East Dubuque; Iowa Relief shown by contours and spot heights.; "Surveyed in 1935"; "Contour interval 20 feet."

6. Buckley quadrangle, Illinois : 15 minute series (topographic) Buckley quadrangle, Illinois : 15 minute series (topographic) Illinois; Maps; Topographic maps; Topography; Buckley (Ill.) Relief shown by contours and spot heights.; Contour interval 10 feet.; "Culture and drainage in part compiled from aerial photographs taken 1940. Topography by plane-table methods, 1946."

7. Illinois, Mt. Carroll quadrangle : 15-minute series. Illinois, Mt. Carroll quadrangle : 15-minute series. Mount Carroll (Ill.); Illinois; Maps; Topographic maps; Topography Relief shown by contours and spot heights.; "Surveyed in 1939, 1940, and 1942"; "Contour interval 20 feet"; Road classification as of 1943.

8. Illinois-Missouri, Quincy quadrangle. Illinois-Missouri, Quincy quadrangle. Quincy (Ill.); Missouri; Illinois; Maps; Topographic maps; Topography Relief shown by contours and spot heights.; "Surveyed in 1922 and 1940. Culture in Illinois partly revised in 1944"; "Contour interval 20 feet."

9. Iowa-Illinois Miles quadrangle Iowa-Illinois Miles quadrangle Miles; Iowa; Illinois; Maps; Topographic maps; Topography Relief shown by contours and spot heights.; "Surveyed in 1935."; "Contour interval 20 feet."; Shows roadway classification as of 1940.

10. Illinois, Arcola quadrangle Illinois, Arcola quadrangle Illinois; Maps; Topographic maps; Topography; Arcola (Ill.) Relief shown by contours and spot heights.; "Surveyed in 1930 and 1935."

11. Iowa-Illinois, Burlington quadrangle : topography Iowa-Illinois, Burlington quadrangle : topography Illinois; Maps; Topographic maps; Topography; Burlington; Iowa 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 1934."

12. Illinois, Morrison quadrangle Illinois, Morrison quadrangle Morrison (Ill.); Illinois; 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 1927 and 1933-1934."; Shows roadway classification...

13. Illinois-Iowa, Keithsburg quadrangle Illinois-Iowa, Keithsburg quadrangle Illinois; Maps; Topographic maps; Topography; Keithsburg; Iowa 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 1921, 1931, 1934, and 1935"; "Contour intervals...

14. Illinois-Missouri, Renault quadrangle. Illinois-Missouri, Renault quadrangle. Renault (Ill.); Missouri; Illinois; Maps; Topographic maps; Topography Relief shown by contours and spot heights.; "Surveyed in 1911 and 1913. Culture revised in part, 1940"; "Surveyed in cooperation with the States of Illinois and Missouri."; "Contour interval 20 feet."

15. Illinois, Mount Vernon quadrangle. Illinois, Mount Vernon quadrangle. Mount Vernon (Ill.); Illinois; Maps; Topographic maps; Topography Relief shown by contours and spot heights.; "Surveyed in 1928, 1930, 1932, and 1933"; "Contour interval 10 feet."

16. Cullom quadrangle, Illinois-Livingston Co. : 15 minute series (topographic) Cullom quadrangle, Illinois-Livingston Co. : 15 minute series (topographic) Illinois; Maps; Topographic maps; Topography; Cullom (Ill.); Livingston County (Ill.) Relief shown by contours and spot heights. -- "Culture and drainage in part compiled from aerial photographs taken 1940. Topography by plane-table methods, 1947."; "Contour interval 10 feet."

17. Illinois, Galva quadrangle : 15-minute series Illinois, Galva quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Galva (Ill.) Relief shown by contours and spot heights.; "Surveyed in 1930-1931 and 1940."; "Contour interval 10 feet."; Road classification as of 1943.

18. Sibley quadrangle, Illinois : 15 minute series (topographic) Sibley quadrangle, Illinois : 15 minute series (topographic) Sibley (Ill.); Maps; Topographic maps; Topography; Illinois Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken 1940. Topography by plane-table methods 1947"; "Contour interval 10 feet."

19. Illinois, Sullivan quadrangle Illinois, Sullivan quadrangle Maps; Topographic maps; Topography; Illinois; Sullivan (Ill.) Relief shown by contours.; "Contour interval 10 feet"; "Surveyed in 1930 and 1935."
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