What does this sign mean? Paul Lundgren 11 years ago I realize this might be a dried-up glue-like substance that held some actual sign in place, but I don’t know, maybe this symbol means something to snowmobilers. If not, we might as well make up a meaning for it. Recommended Links:Is the Postal Service OK?Found: Buffalo Bill’s Wild West Show Pictures (from Duluth?)I need a gym floor …Community Resource List: Freelance Grant Writers