
 HISTORY
  LNM13/01-- (3/27/01); MASSACHUSETTS-BOSTON HARBOR-WINTHROP CHANNEL-HAZARD TO NAVIGATION; A 25-FOOT SUNKEN VESSEL HAS BEEN REPORTED AT (PA) LAT. 42-21-56N, LONG 70-58-30W.  SUBMERGED VESSEL'S POSITION IS UNMARKED.  MARINERS ARE ADVISED TO US