LIBBY, Mont. -

Officials in northwestern Montana say a 62-year-old Missoula man is missing and presumed drowned after falling off a boat in Middle Thompson Lake, about 45 miles southeast of Libby.
The Lincoln County sheriff's office says that Anthony Joseph Bachmann fell off the bow of a moving pontoon boat at about 6 p.m. Saturday.
Others on the boat tried to rescue Bachmann, but were unsuccessful. He was not wearing a life jacket.
Sheriff Roby Bowe says efforts to recover Bachmann's body continued Monday. The lake is about 160 feet deep on the spot where Bachmann fell into the water.

The following release was sent out by the Lincoln County Sheriff's Department.

On Saturday August 16, at approximately 6pm, Anthony Joseph Bachman, age 62, of Missoula, Montana, drown after falling off of the bow of a moving pontoon boat on Middle Thompson Lake, across from Logan State Park, about 45 miles southeast of Libby, Montana. Witnesses aboard the boat attempted to rescue Bachman but were unsuccessful. Bachman was not wearing a personal flotation device.

The emergency call was placed to sheriff’s dispatch within about 10 to 15 minutes of the incident. Members of Lincoln County Sheriff's Office, Fisher River Valley Fire & Rescue, David Thompson Search and Rescue, Montana Fish Wildlife and Parks and Flathead County Sheriff's Office responded. Flathead County Sheriff’s ‘Air-1’  helicopter responded. Alert Helicopter was placed on standby.

The search for the body continued until dark Saturday night, and then resumed all day Sunday and the search is again active today, Monday. As of this time, the body of the victim has not been recovered in about 160 feet of water. Divers, dog teams, and sonar equipment have been on scene throughout.

Sheriff Roby Bowe has been continually on scene and personally made notification to the family. The accident is being jointly investigated by the Lincoln County Sheriff’s Office and Montana Fish Wildlife and Parks. Initial indications are that alcohol consumption was a major contributing factor to this accident.