| 1. |  | Illinois-Missouri, Renault quadrangle. | Renault (Ill.); Missouri; Illinois; Maps; Topographic maps; Topography | 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1911 and 1913. Culture revised in part, 1940"; "Surveyed in cooperation with the States of Illinois and Missouri."; "Contour interval... |
