 HISTORY
  H10186/85--OPR-B118-MI-85; SUBM OBSTR (ECHOSOUNDER DEPTH 56FT AT MLLW) WAS ì
LOCATED IN LAT 41-57-35.36N, LONG 69-45-50.1W, IN GENERAL DEPTHS OF 61 TO 65 ì
FMS. FEATURE HAD STRONG RETURN ON ECHOSOUNDER, PROBABLY A WRECK OR SINGLE ì
BOULDER