  H10850/98-99--OPR-K171-KR;  OBSTRUCTION WITH A LEAST DEPTH OF 54 FEET (MLLW) IN GENERAL SURROUNDING DEPTHS OF 55-56 FEET WAS FOUND IN LAT. 29/03/27.78N, LONG. 094/23/42.54W (NAD83).  (ENTERED 5/01 BY MBH)