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| Title | Illinois, Potomac quadrangle. |
| Title-Alternative | Potomac quadrangle, Illinois. |
| Author | Geological Survey (U.S.) |
| Coverage-Spatial | Illinois |
| Subject | Potomac (Ill.); Illinois; Maps; Topographic maps; Topography |
| Type | Maps |
| Description | 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1931-1932"; "Contour interval 10 feet"; Shows roadway classification as of 1934.; (W 88⁰00ʹ00ʺ--W 87⁰45ʹ00ʺ/N 40⁰30ʹ00ʺ--N 40⁰15ʹ00ʺ) |
| Extent | 45 x 35 cm. |
| Date | 1936 |
| Contributors | Simmons, H. E.; Kiger, R. A.; Wilke, J. H.; Kilmartin, J. O.; Blake, Paul |
| Scale | 1:62,500 |
| Collection | Historical Maps Online |
| Repository/Holding Library | University of Illinois at Urbana-Champaign-Champaign. Map & Geography Library |
| Publisher | U.S. Geological Survey (Washington, D.C.); State of Illinois Geological Survey Division (Urbana, Ill) |
| Call Number | G3700s.C2 1882.U5 Potomac, Ill. |
| Rights | http://images.library.uiuc.edu/projects/maps/terms.html |
| Archival File Name | Potomac.tif |
| JPEG2000 URL | http://histmapimages.grainger.illinois.edu/jp2files/Potomac.jp2 |
