  FE394SS/94-- OPR-E696-HE; WHILE INVESTIGATING A 17-FOOT SHOAL (AWOIS NO. 8866), 2 UNCHARTED OBSTRUCTIONS WITH DEPTHS OF 18 FEET (5.5 & 5.6 METERS) WERE NOTED DURING OFFICE PROCESSING IN LAT. 36-56-40.24, LONG. 76-20-26.37W & LAT. 36-56-42.67N, LONG. 76