Advertisement43-Year-Old Cold Case Closed: South Dakota Girls Died In AccidentApril 16, 2014Mark MemmottfacebookEmailCheryl Miller's driver's license was among the evidence collected from the car she and Pamela Jackson were last seen in. The two South Dakota girls disappeared in 1971. Now, authorities say it appears they accidentally drove into a creek. It wasn't until last year that low waters revealed the vehicle. (AP)