Contour interval 20 feet;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1923 and 1927";Relief shown by contours and spot heights.;Shows roadway classification as of 1932.;1 map, colored;45 x 35 cm.;1:62,500
Creator:
Geological Survey (U.S.)
Publisher:
Bureau of Geology and Mines (Rolla, Mo.), 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/