One vessel was a commercial lobster boat and the other was a recreational boat, according to TowBoatUSVentura.
It's unclear how many people were on board.
DNR conservation officers Levi Brown and Matt Brodin navigated ice, muck and shallow water to save two waterfowl hunters stranded on Mud Lake.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results