L-381/82--4/14/82;  THE TYBEE SOUTH FRONT DREDGING RANGE, A 5-PILE DOLPHIN WAS DESTROYED IN APPROXIMATE POSITION LATITUDE 32/00/09N LONGITUDE 30/48/19W (NAD 27).  THE DOLPHIN CONSISTED OF 5 PRESTRESSED CONCRETE PILES TIED WITH 3/4" GALVANIZED CABLE AND G