See something Say something: what's Going On in Sycamore Canyon? This is interesting...watching N491DF USDA Forest Service FEPP Now. Back and forth over Sycamore canyon. https://www.flightradar24.com/N491DF/22036c1e And this plane circling in same area. Stumbled onto something, just don't know what. https://www.flightradar24.com/A310/22037342