
 HISTORY
  H10823/98-- OPR-E346-AHP (BAY HYDROGRAPHER); UNCHARTED SUBMERGED OBSTRUCTION LOCATED BY SIDE SCAN SONAR. SHALLOW-WATER MULTIBEAM LD OF 31 FEET OBTAINED IN LAT. 38-41-31.37N, LONG. 76-27-09.62W. EVALUATOR RECOMMENDS CHARTING A DANGEROUS SUBM