  H10891/99--OPR-K171-KR;  OBSTRUCTION LOCATED BY SIDE SCAN SONAR AND MULTIBEAM ECHOSOUNDER IN LAT. 29/22/29.95N, LONG. 093/11/37.49W(NAD83) WITH A LEAST DEPTH OF 44.0 FEET (MLLW).  (ENTERED 2/01 BY MBH)