 HISTORY
  LNM7/77--9TH CGD, 4/19/77--ECORSE CHANNEL LIGHTED BOUY 7 (LL-991) HAS BEEN TEMPORARLY RELOCATED TO APPROX  POS. 304.5 DEG, 2,450 FT FROM FIGHTING I. NORTH CHANNEL LIGHT (LL-967) OR 139 DEG , 100 FT FROM ITS CHARTED POS. IN 11FT OF WATER DUE T