  NO REGISTRY NUMBER ASSIGNED-- S-E604-R0-02; HLS PROJECT REPORT; SIDE SCAN SONAR CONTACT. SWMB LD OF 49 FEET IN LAT. 37-14-02.981N, LONG. 76-26-21.234W. SONAR IMAGERY DESCRIBES SUBMERGED PILING. EVALUATOR RECOMMENDS CHARTING A 49 OBSTN AS SURVEYED. (ENT