  H10835/98-99--OPR-K171-KR;  LOCATED AN OBSTRUCTION BY SIDE SCAN SONAR AND MULTIBEAM ECHOSOUNDER IN LAT. 29/18/15.78N, LONG. 094/30/47.38W (NAD83) WITH A LEAST DEPTH OF 44 FEET MLLW.  (ENTERED 9/01 BY MBH)