Kelsey Ann Patterson was killed Saturday night when the pickup truck she was riding in crashed. Two other people, a 21-year-old man and a 17-year-old girl, were injured and were taken to Saint James Healthcare. Their names haven't been released.

Jefferson County Deputy Coroner Francine Janik says Patterson was ejected from the pickup truck and it rolled on top of her. The man also was ejected. The Montana Highway Patrol says investigators believe that speed and alcohol were factors in the accident, which happened about a mile west of Whitehall.