Mechanicsburg quadrangle, Illinois : 15 minute series (topographic).
Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1950-1951. Topography by plane-table surveys 1954";Relief shown by contours and spot heights.;1 map, colored;45 x 53 cm.;1:62,500
Geological Survey (U.S.)
Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.)
The University of Illinois Map Library requests the following acknowledgement be included when using this Historical Map: Map provided courtesy of the Map Library at the University of Illinois at Urbana-Champaign.; No Copyright - United States; http://rightsstatements.org/vocab/NoC-US/1.0/