  H11140/02-- S-G913-WH; SIDE SCAN SONAR LOCATED TWO OBSTRUCTIONS APPROX. 30 METERS APART. SWMB LD OBTAINED ON NORTHERN OBSTRUCTION OF 44.36 FEET (13.52 METERS) IN LAT. 31-56-53.143N, LONG. 80-41-10.253W.  SWMB LD OBTAINED ON SOUTHERN OBSTRUCTION OF 44.4