
 HISTORY
  FE379SS/92-93--OPR-B616-RU; UNIVESTIGATED SUBMERGED ROCK (14.1M(46FT) AT ì
MLLW), DEPTH ESTIMATED BY SCALING HEIGHT OFF THE BOTTOM FROM SSS ì
RECORD, POSITION DETERMINED BY COMPUTING OFFSET FROM THE ì
VESSEL TRACK. SURROUNDING ECHOSOUNDER D