Airway arrows are an obscure part of American aviation history. When I found that I would be joining the team at the City of Rocks I started looking around for interesting things to do in the area. I found that the Strevell Airway Arrow was nearby. For an explanation of airway arrows this web site has a pretty good description.
This arrow is located about 300 feet east of the intersection of old Highway 81 and the Strevell Road.