Regional Aeronautical Chart, 2M

Aeronautical map of Montana and part of its surrounding region, showing cities, topographical features, radio frequency ranges and other various aeronautical symbols for flight training and navigation. Scale 1:1,000,000.
Date: October 7, 1943
Creator: U.S. Coast and Geodetic Survey
System: The Portal to Texas History

Wichita Sectional Aeronautical Chart

Aeronautical map of a four state region consisting of Kansas, Colorado, Nebraska, and Oklahoma that shows cities, topographical features, flight training areas, and various aeronautical symbols for flight navigation. A large portion of Kansas and its cities make up most of the map. Scale 1:500,000.
Date: December 7, 1972
Creator: United States. Department of Commerce.
System: The Portal to Texas History