The Appanoose County Sheriff’s Office has identified the fisherman who died at Rathbun Lake on Friday.

The sheriff’s office announced an autopsy has confirmed 79-year-old Ralph Jay Rosenberger of Indianola died of accidental drowning.

Witnesses say they saw Rosenberger was fishing from a boat in Lake Rathbun Friday afternoon and then they noticed he was floating in the water.

Boaters in the area quickly reached the man and started CPR until emergency crews arrived.