  H10805/98-99--OPR-K171-KR;  AN OBSTRUCTION WITH A LEAST DEPTH OF 53 FEET MLLW WAS FOUND BY SIDE SCAN SONAR IN LATITUDE 29/08/13.10N, LONGITUDE 094/40/15.40W (NAD83) IN GENERAL DEPTHS OF 57 FEET.  (ENTERED 1/00 BY MBH)
  H11061/01-02--OPR-K379-KR;  OBS