
 HISTORY
  H10859/99-- OPR-E346-BH; UNCHARTED DANGEROUS SUBMERGED OBSTRUCTION LOCATED BY SIDE SCAN SONAR.  MULTIBEAM LD OF 21 FEET LOCATED IN LAT. 39-05-24.78N, LONG. 76-17-45.58W.  EVALUATOR RECOMMENDS CHARTING A 21 OBSTN AS SURVEYED. (ENT 11/29/00,