Lisa Rene Sprague was 17 when she was last seen in Ventura, California, on September 1, 1978. Very few details are known about the circumstances of her disappearance; she has not been heard from since. At the time she went missing she was described as 5 feet 10 inches with blonde hair.

Authorities have listed her as endangered missing and the Ventura Police Department keeps the case open. There have been no significant leads or developments reported about what happened to Lisa after she was last seen.

Does anyone have memories or information about Lisa or her last known whereabouts that could help investigators?