  H10668/97-- OPR-C399-RU; UNCHARTED OBSTRUCTION LOCATED BY SIDE SCAN SONAR. SWMB LD OF 9.5 METERS (31 FEET) IN LAT. 40-32-11.99N, LONG. 73-50-35.97W. EVALUATOR RECOMMENDS CHARTING A 31 OBSTN AS SURVEYED. (ENT 12/22/04, SJV)