These giant arrows blanket the U.S.A. from coast to coast - what are they?
You’ll find them in a nearly straight line between the East Coast (New York) and the West Coast (San Francisco).
List of locations of Transcontinental Airway beacons and concrete arrows (station name, counties, GPS coordinates)
The list below (organized by state) contains the known locations for Transcontinental Airway (airmail route) beacons/arrows that are known to
The Lost Letter
The Letter is Sent On September 22, 1918, days before the end of World War I, George Kemp penned a letter
