CALLER TO EMERGENCY LINE REPORTED HEARING CALL FOR HELP ALONG THE WOLF RIVER. DNR WARDEN & TWO COUNTY DEPUTIES RESPONDED. SEARCH  FOUND UNOCCUPIED BOAT. SUBSEQUENT SEARCH FOUND VICTIM SUBMERGED IN WATER AND CAUGHT ON TREE SNAG IN RIVER. VICTIM WAS NOT WEARING PFD. INVESTIGATION SURMISED VICTIM WAS IN PROCESS OF UNTYING BOAT STERN LINE FROM A TREE WHEN HE LOST BALANCE AND FELL OVERBOARD STRIKING HIS HEAD ON THE TREE. VICTIM WAS FOUND 50 YARDS DOWNSTREAM OF BOAT.
SHIOCTON                      