  H10284/88--OPR-C147-WH-88; AN UNCHARTED DANGEROUS SUBMERGED OBSTRUCTION WAS FOUND IN LAT 40-27-43.47N, LONG 73-55-46.94W (NAD83) WITH FATHOMETER DEPTH OF 37 FT; EVALUATOR RECOMMENDED CHARTING A 37 OBSTR AS SHOWN ON PRESENT SURVEY AND CONDUCTING FURTHER