Airway Beacon and Arrow 1929 - Fra da flyging var flyging og postflygerne luftens Pony Express - Geir Vitnæs

 

An airway beacon located in Saint Paul, Minnesota, built in 1929 and restored in the 1990s. It sits on top of a 110-foot (34 m) steel tower in Indian Mounds Park.[4]

 

Remnants of Transcontinental Air Mail Route Beacon 37A, atop a bluff in St. George, Utah, with concrete arrow indicating the direction to the next beacon