
 HISTORY
  H10418/92-- OPR-J461-HE; OBSTRUCTION LOCATED BY SIDE SCAN SONAR ì
WITH AN ESTIMATED DEPTH OF 17.3 METERS (57 FEET). EVALUATOR ì
RECOMMENDS CHARTING AS AN ESTIMATED DEPTH (A) PER CARTOGRAPHIC ì
ORDER 004/89, DATED 7/3/89. ADDITIONAL WORK REC