 HISTORY
  LNM27/88--9TH CGD, 9/9/88; USACE HAS LOCATED A SUBMERGED OBJECT APPROX. 175 FT BY 75 FT WITH A CLEAR SWEPT DEPTH OF 27.4 FT REFERRED TO LWD, AND WITHIN THE FEDERAL NAVIGATION CHANNEL. THE OBJECT IS LOCATED ON THE U.S. SIDE OF THE CHANNEL IN A