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select all : clear all : add to favorites results 1-20 of 34 item(s)  page 1 of 2 : ( <<  1  2  >> ) :: previous : next
 Image: Title: Subject: Description:
1. Illinois-Indiana, Milford quadrangle : 15-minute series. Illinois-Indiana, Milford quadrangle : 15-minute series. Milford; Indiana; Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1938"
2. Illinois, Kinmundy quadrangle : 15-minute series Illinois, Kinmundy quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Kinmundy (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey, 1945."; "Contour interval 20 feet."
3. Illinois, McLeansboro quadrangle : 15-minute series. Illinois, McLeansboro quadrangle : 15-minute series. McLeansboro; Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey 1942"; "Contour interval 20 feet."
4. Illinois, Kewanee quadrangle : 15-minute series Illinois, Kewanee quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Kewanee (Ill.) 1 map : col. ; Relief shown by contours and spot heights.; "Surveyed in 1930 and 1942"; "Contour interval 20 feet."
5. Illinois, Forreston quadrangle : 15-minute series Illinois, Forreston quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Forreston (Ill.) 1 map : col.; "Mapped by the Geological Survey 1930, 1940 and 1942."; "Contour interval 20 feet."; Shows roadway classification as of 1945.
6. Illinois (Iroquois county), Gilman quadrangle : 15-minute series Illinois (Iroquois county), Gilman quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Gilman (Ill.); Iroquois County (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey 1943-1944."; "Contour interval 10 feet."
7. Illinois, Newton quadrangle : 15-minute series. Illinois, Newton quadrangle : 15-minute series. Newton (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1941."; "Contour interval 10 feet."
8. Illinois, Ramsey quadrangle : 15-minute series. Illinois, Ramsey quadrangle : 15-minute series. Ramsey (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey, 1922 and 1942-1944"; "Contour interval 20 feet."
9. Illinois-Indiana, Ridge Farm quadrangle : 15-minute series. Illinois-Indiana, Ridge Farm quadrangle : 15-minute series. Ridge Farm (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey 1945"; "Contour interval 20 feet."
10. Illinois, Enfield quadrangle : 15-minute series Illinois, Enfield quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Enfield (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1921 and 1941"; "Contour interval 10 feet"; Road classification as of 1943.
11. Illinois, Greenville quadrangle : 15-minute series Illinois, Greenville quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Greenville (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1928 and 1938-1939"; "Contour interval 10 feet."; Shows roadway classification as of 1942.
12. Illinois, Camp Point quadrangle : 15-minute series Illinois, Camp Point quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Camp Point (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey 1946."; "Contour interval 20 feet ; 10 foot contours added in dashed lines."
13. Illinois, Woodhull quadrangle : 15-minute series Illinois, Woodhull quadrangle : 15-minute series Maps; Topographic maps; Topography; Illinois; Woodhull (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey 1945"; "Contour interval 20 feet."
14. Illinois, Mt. Carroll quadrangle : 15-minute series. Illinois, Mt. Carroll quadrangle : 15-minute series. Mount Carroll (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1939, 1940, and 1942"; "Contour interval 20 feet"; Road classification as of 1943.
15. Illinois, New Douglas quadrangle : 15-minute series. Illinois, New Douglas quadrangle : 15-minute series. New Douglas (Ill.); Illinois; Maps; Topographic maps; Topography 1 map : col.; Relief shown by contours.; "Contour interval 10 feet."; "Surveyed in 1936 and 1937."; Shows roadway classification as of 1943.
16. Illinois, Vandalia quadrangle : 15-minute series Illinois, Vandalia quadrangle : 15-minute series Maps; Topographic maps; Topography; Illinois; Vandalia (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey 1945"; "Landmark buildings only shown in the city of Vandalia."; "Contour interval 20 feet."
17. Illinois (Shelby Co.), Shelbyville quadrangle : 15-minute series Illinois (Shelby Co.), Shelbyville quadrangle : 15-minute series Shelbyville (Ill.); Shelby County (Ill.); Maps; Topographic maps; Topography; Illinois 1 map : col.; Relief shown by contours and spot heights.; "Mapped by the Geological Survey 1928, 1935 and 1942"; "Contour interval 20 feet."
18. Illinois, Delavan quadrangle : 15-minute series Illinois, Delavan quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Delavan (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Contour interval 10 feet"; "Surveyed in 1930 and 1935-1936."
19. Illinois-Indiana, Carmi quadrangle : 15-minute series Illinois-Indiana, Carmi quadrangle : 15-minute series Illinois; Maps; Topographic maps; Topography; Carmi; Indiana 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1921 and 1939-1940."; "Topography in Indiana from chart of the Wabash River by Corps of Engineers, U.S. Army."; "Contour interval...
20. Illinois, Ina quadrangle : 15-minute series Illinois, Ina quadrangle : 15-minute series Illinois ; Maps ; Topographic maps ; Topography ; Ina (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1921, 1930, and 1937-1939."; "Contour interval 10 feet."; Road classification as of 1942.; Coordinates: (W 89⁰00ʹ00ʺ--W 88⁰45ʹ00ʺ/N...
select all : clear all : add to favorites results 1-20 of 34 item(s)  page 1 of 2 : ( <<  1  2  >> ) :: previous : next
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