A one-vehicle accident yesterday morning in Richland County claimed the life of a woman from Perrysville.  According to the Mansfield Post of the Highway Patrol, the crash took place right around 6:30am, on Pleasant Valley Road, just west of State Route 603.  Killed in the crash was 73-year old Bonnie Bogdan, who was pronounced dead at the scene.  The patrol says Bogdan’s vehicle traveled off the right side of the road, where it struck a culvert and ditch embankment.  The crash remains under investigation.