I poached this thread from the BCP site....
When I started reading about these arrows and beacons I figured they were some type of legend... It really does look like it was a form of aero navigation back decades ago.... Any of you guys/gals seen any ???
http://www.backcountrypilot.org/forum/giant-concrete-arrows-13055
When I started reading about these arrows and beacons I figured they were some type of legend... It really does look like it was a form of aero navigation back decades ago.... Any of you guys/gals seen any ???
http://www.backcountrypilot.org/forum/giant-concrete-arrows-13055