 HISTORY
  H10623/95-- OPR-J343-MI; OBSTRUCTION LOCATED BY SIDE SCAN SONAR.  DESCRIBED AS A LARGE BARNACLE ENCRUSTED ROCK, 4 METERS IN DIAMETER. LD OF 20 FEET IN LAT. 27-43-21.20N, LONG. 82-32-05.80W. EVALUATOR RECOMMENDS CHARTING A 20 RK AS SURVEYED. (