Shows roadway classification as of 1937.;"Contour interval 10 feet";"Surveyed in 1922, 1928, and 1933";"Culture and drainage in part complied from aerial photographs taken by Air Corps, U.S. Army";Relief shown by contours.;45 x 35 cm.;1:62,500
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/