RedactedNarrative: Four people began a float trip in an 8' Sevylor raft from Greahl Landing on the Chena River.  They all went overboard near the Peger Road Bridge after the trash bag one passenger was towing (18' rope tied to a trash bag with 3 bottles of beer - tied to his wrist) got snagged on an object under the water.  Three of the occupants made it to shore and reported last seeing the other occupant going under the water with a rope still wrapped around his hand at approximately 4:00PM.  Numerous river rescue units arrived and the body was located at approximately 8:30PM.  The body was found where he was last seen and was still tied to the trash bag which was stuck/ snagged/ hung-up on a tree or other submerged hazard.  The rope had to be cut to bring him out of the water.  The rope, bag and beer were dislodged and also brought ashore by the rescue team.  No PFDs were worn or located with the raft.
   