(FLORENCE, WI.)–Florence County Sheriff’s office officials and State Patrol investigators are continuing to investigate the crash which involved a semi tractor trailer rig and a pickup truck. The driver of the pickup, 23-year old Dennis Mongar of Crystal Falls, died at the crash scene. Florence County Sheriff, Jeff Rickaby said witnesses stated the pickup truck crossed the centerline of the roadway, US-2 at First Crossing Road. The pickup immediately burst into flames. The driver of the semi, a 61-year old Phelps man, suffered minor injuries and was taken to Dickinson County Memorial Hospital for treatment. Several emergency units assisted at the scene including, Florence Fire and Rescue, Beacon Ambulance, Wisconsin State Patrol, Florence County Highway Department, Iron County Highway Department, Iron County Sheriff’s Office and Iron River Police.