  H10805/98-99--OPR-K171-KR;  AN OBSTRUCTION WITH A LEAST DEPTH OF 53 FEET MLLW WAS FOUND BY SIDE SCAN SONAR IN LATITUDE 29/07/57.96N, LONGITUDE 094/39/58.80W (NAD83) IN GENERAL DEPTHS OF 58 FEET.  (ENTERED 1/00 BY MBH)
  H11061/01-02--OPR-K379-KR;  OBS