
 HISTORY
  H10873/99-00--OPR-K171-KR; UNCHARTED SUBMERGED OBSTRUCTION LOCATED BY SIDE SCAN SONAR.  MULTIBEAM LD OF 47 FEET IN LAT. 29-04-58.33N, LONG. 94-13-36.22W.  APPEARS TO BE A SUNKEN NAVIGATION BUOY.  SINKER WAS LOCATED (50 METERS AWAY) AND BECA