“… these interpretive signs have as a primary function to provide a brief natural or historical interpretation of the trail, recreational area, or heritage site. The signs not only reach the public on topics concerning the protection and use of recreation areas, but also educate the public about what they will be doing or seeing. This educational benefit adds to the wholeness of any park experience, thus bridging the gap between visitors and their environment or landscape…”

Read the full article at http://www.parksandrecbusiness.com/articles/2017/5/fiberglass-interpretive-signs

Dave Stant. “Fiberglass Interpretive Signs.” PRB. June 2017.