| 1. |  | Teutopolis quadrangle, Illinois : 15 minute series (topographic) | Maps; Topographic maps; Topography; Illinois; Teutopolis (Ill.) | 1 map : col.; Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken 1952. Topography by plane-table surveys 1952-1953."; "Contour interval 10... |
