HACKENSACK, Minn. (AP) - Authorities have identified a Montana man who died in an apparent drowning in a northern Minnesota Lake.

The Cass County sheriff's office said Saturday that 49-year-old Peter Keller, of Kalispell, Montana, was swimming in Ten Mile Lake near Hackensack, Minnesota, when he went under on Tuesday afternoon.

Members of his party pulled him from the water and began CPR. Paramedics arrived and continued to try to resuscitate him but were unsuccessful.