
 HISTORY
  H5142/31WD--18 FT. SOUNDING ON AN OBSTRUCTION IDENTIFIED AS ì
WRECKAGE IN LAT 40-56-52.9N, LONG 73-27-57.6W (SCALED FROM SURVEY ì
AT 1:20,000).(ENTERED MSM 6/88)
  FE321SS/88--OPR-B660-HE-88; 200% SSS COVERAGE USING 50M RANGE ì
SCALE AND R