  H11022/01--OPR-D307-KR;  AN OBSTRUCTION WAS FOUND IN LAT. 39/11/01.94N, LONG. 075/18/03.85W (NAD83) WITH A LEAST DEPTH OF 16.31 FEET MLLW.  THIS OBSTRUCTION IS WITHIN A CHARTED FISH HAVEN WITH AN AUTHORIZED MINIMUM DEPTH OF 15 FEET MLLW.  (ENTERED 3/04