| 1. |  | Kentucky-Illinois Paducah quadrangle. | Paducah (Ken.); Kentucky; Illinois; Maps; Topographic maps; Topography | 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 1926"; "Contour interval 20 feet." |
