The North Dakota Highway Patrol is investigating a fatal motorcycle accident north of Belfield.
57 year old Mark Engel of Auburn Washington died after he crashed his 2007 Harley Davidson motorcycle.
Authorities say Engel drove off the edge of highway 85 and into the east ditch.
The bike then hit a dirt embankment.
It happened Tuesday afternoon around 3:30 13 miles north of Belfield.
Engel was pronounced dead at the scene, he was not wearing a helmet.