A Dickinson man died Thursday afternoon after a crash near Mandaree.
According to the North Daktoa Highway Patrol, the 61-year-old was heading west, en route to a remote site on Bear Den Road to unload water, when he failed to negotiate a curve.
The semi he was driving went into the ditch and rolled over.
The man, who was not wearing his seatbelt, died at the scene.
The crash is still under investigation.