| 1. |  | Saint Louis quadrangle, Missouri-Illinois | Maps; Topographic maps; Topography; Illinois; Missouri; Saint Louis (Mo.); St. Louis (Mo.); Saint Louis County (Mo.); Saint Clair County (Ill.); Madison County (Ill.) | 1 map : col.; Relief shown by contours, spot heights and bathymetric soundings.; "Surveyed in 1903."; "Contour interval 20 feet." |
