UPDATE, 5:35 pm: The Marquette County Sheriff's Department has identified the driver of the vehicle as William King, 63, of Republic. It's believed that King recently moved to the area from Wisconsin. He was pronounced dead at the scene.
The passenger was Brian Yelle, 53, of Republic. He was taken to UPHS Marquette, treated, and released.
Officials believe alcohol may have been a factor in the accident.