Keywords: trash litter killdeer nd usa outdoor Annual Earth Day Trash Pick Up event held in and around Killdeer, ND. Crews walk the highway 22 right-of-way, collect and bag the litter left from passing traffic. Annual Earth Day Trash Pick Up event held in and around Killdeer, ND. Crews walk the highway 22 right-of-way, collect and bag the litter left from passing traffic. |