Beacon 27 C-GF (Cheyenne – Great Falls) CAM Route 28, Wyoming Air Service contract.
Location: 4423N/10643W at Johnson County Airport, Commissioned: June 1934
San Francisco, California to Salt Lake City, Utah Airway Map
US Aeronautical Radio Range Stations, September 15, 1933
Original Transcontinental Airways route from New York to San Francisco, opened August 20, 1920
Submitted by Ken Meintzer
1945-1946 Medicine Bow Aeronautical Chart, Wyoming