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| Title | Illinois-Iowa, Keithsburg quadrangle |
| Title-Alternative | Keithsburg quadrangle, Illinois-Iowa |
| Author | Geological Survey (U.S.) |
| Coverage-Spatial | Illinois |
| Subject | Illinois; Maps; Topographic maps; Topography; Keithsburg; Iowa |
| Type | Maps |
| Description | 1 map : col.; 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 10 and 20 feet changing on the 580 foot contour."; Shows roadway classification as of 1940. |
| Extent | 45 x 34 cm. |
| Date | 1941 |
| Contributors | Illinois State Geological Survey; Duck, J.A. |
| Scale | 1:62,500 |
| Collection | Historical Maps Online |
| Repository/Holding Library | University of Illinois at Urbana-Champaign-Champaign. Map & Geography Library |
| Publisher | [Washington, D.C.] : U.S. Geological Survey ; Urbana, Ill. : Geological Survey Division, 1941. |
| Call Number | G3700s.C2 1882.U5 Keithsburg, Ill.-Iowa |
| Rights | http://images.library.uiuc.edu/projects/maps/terms.html |
| Archival File Name | Keithsburg.tif |
| JPEG2000 URL | http://histmapimages.grainger.illinois.edu/jp2files/Keithsburg.jp2 |
