
 HISTORY
  H10873/99-00-- OPR-K171-KR; SIDE SCAN SONAR LOCATED A "RECTANGULAR SHAPE" WITH LITTLE VERTICAL RELIEF.    LD OF 59 FEET IN LAT. 29-00-17.89N, LONG. 94-13-00.23W.  200% SIDE SCAN SONAR SEARCH AND MULTIBEAM COVERAGE NEGATIVE FOR CHARTED DANGE