  H11070/01--OPR-D307-KR;  LOCATED AN OBSTRUCTION IN LAT. 39/16/15.29N, LONG. 075/21/43.21W (NAD83) WITH A LEAST DEPTH OF 23 FEET MLLW.  THIS OBSTRUCTION IS IN A CHARTED FISH HAVEN (AWOIS ITEM 10731) WHICH HAS AN AUTHORIZED MINIMUM DEPTH OF 15 FEET.  THU