HELENA - Authorities have identified the 21-year-old killed in a Friday crash near Helena as Orban Calvin Jackson of Lima.

Lewis and Clark County Coroner Mickey Nelson says Jackson died of head injuries at the scene of the crash. The driver of the truck, 24-year-old Nathan Oswald of Dillon, and passenger 18-year-old Danny Trossel of Helena were taken to a local hospital with minor injuries.

Montana Highway Patrol Trooper Dan McDaid says the truck was headed south on York Road when it veered off and rolled. McDaid said he believes alcohol was a contributing factor in the crash.