A Franklin County man driving an ATV was killed Saturday afternoon when he lost control on a gravel road, hit a large berm and was thrown from the vehicle. Coty A. Ferguson, 23, of Beaufort lost control of the ATV 2008 Honda Racher, the Missouri Highway Patrol reported. He was pronounced dead at the scene by the St. Francois County coroner at about 3:30 p.m. He was not wearing a helmet, authorities said.