(Preble County, OH)--A 33-year-old Preble County woman was killed Wednesday when she collided with a farm implement on Somers-Gratis Road just west of State Route 503 near Gratis. Jessica Johnson was pronounced dead at the scene. The preliminary investigation showed Johnson was headed east when she struck the combine from behind. 42-year-old Jeremy Bendell of Camden was driving the combine. He was not hurt.