  H10803/98--OPR-K171-KR;  FOUND AN OBSTRUCTION COVERED 33 FEET MLLW IN LAT 29/36/32N, LONG 093/14/28W.  THE METHOD OF INVESTIGATION WAS 200% SIDE SCAN SONAR AND 100% MULTIBEAM ECHOSOUNDER COVERAGE.  (UPDATED 10/99 BY MBH)