A Des Moines woman has died in a rollover accident on I-80 in Poweshiek County that left another occupant of the vehicle injured. The accident occurred on Wednesday, August 20th, around 12:30 PM. Charlene Lynn Gibbens, 59, was driving westbound near Brooklyn when she somehow lost control of the vehicle she was driving. The vehicle entered the north ditch and rolled. Ms. Gibbens, who was not wearing a seat belt, was ejected from the vehicle. She was pronounced dead at the scene. Passenger Christy Melissa Thomas, 33, also of Des Moines, was injured and taken to Grinnell Hospital.