Dave Izatt has submitted some photos of the arrow at the site of San Francisco—Salt Lake Airway Beacon 57!
Submit your data and observations to help build and refine GEOID18!
Airway beacon data is now available in GeoJSON format.
Dave DuPree has found an article from 1932 describing a new 36″ beacon being put in place on Red Butte mountain.
Jack Fawcett has found a video showing what remains of Beacon #32.
Follow along with Zhanna as she searches for survey marks, airway beacons, and other relics of infrastructure!