Illinois (Madison County), Edwardsville quadrangle - 8f1847421090012b172f8c8c4c56f320

1 map, colored; Shows roadway classification as of 1931.; Relief shown by contours and spot heights.; Surveyed in 1927.; Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.; Contour interval 20 feet.; Scale 1:62,500