 HISTORY
  H10851/99--OPR-K171-KR; CONTACT APPEARED ON ONLY ONE SIDE SCAN AND MULTIBEAM LINE.  MEASUREMENTS TAKEN FROM THE DIGITAL SIDE SCAN DATA SHOW THAT THE OBJECT HAS RELIEF OF 1.1 METERS.  A LEAST DEPTH OF 8.60 METERS (28.2 FEET) WAS DETERMINED FRO