 HISTORY
  H10946/00-- OPR-G360-KR; SIDE SCAN SONAR LOCATED UNCHARTED SUBMERGED OBSTRUCTION WITH A MB DEPTH OF 29.1.  OBSTRUCTION IS 3.75 METERS LONG AND 3.0 METERS WIDE. APPROX. 2.0 METERS (6.6 FEET) HIGH.   CHARTED OBSTRUCTION (20 FEET REP) APPROX. 21