Marinette County authorities are investigating a fatal ATV crash that happened Saturday evening in the Town of Athelstane. Sheriff Randy Miller says dispatch received the call around 5:30 p.m. for a single-vehicle rollover on the ATV trail system off Benson Lake Road. Investigators say 55-year-old Michael W. Labree of Gilberts, Illinois was driving east on the trail when he failed to navigate a curve and rolled the ATV. Labree, who was wearing a helmet, was thrown from the vehicle and died from his injuries. The crash remains under investigation by the Wisconsin Department of Natural Resources, the Marinette County Sheriff’s Office, and the Medical Examiner’s Office. Responding agencies included the Athelstane Fire Department, Silver Cliff Rescue, and Aurora Medical Center – Bay Area EMS.