UPDATE: Monday, September 18th, 2017 8:20 a.m. ET

The Marquette County Sheriff’s Office has identified the ATV rider who died over the weekend after rolling his ATV in Marquette Township.

Gregory James LaBonte, 56, of Negaunee, was found deceased and pinned under his ATV by a lone mountain biker Saturday afternoon. Police believe LaBonte was negotiating a rock barrier on a two track trail when the ATV overturned and landed on top of him.

Labonte was pronounced dead at the scene.

MARQUETTE TOWNSHIP — The Marquette County Sheriff’s Office is investigating a fatal four-wheeler accident.

The sheriff’s office was dispatched to an area north of the Noquemanon Trail off of Forrestville Road in Marquette Township at approximately 12:12 p.m. Saturday. A lone mountain biker found a dead ATV rider pinned under the machine.

Identification of the deceased individual is being withheld at this time, pending notification of their family. The Marquette County Special Operations Unit and the Marquette Township Fire Department assisted at the scene.