  LNM13/80--CGD8, 3/19/80;  REPORTS THE SUNKEN WRECK, PA, OF THE 300-FOOT FREIGHTER MARVINA IN LAT. 28/44/00.00N, LONG. 089/23/48.00W (NAD27).  THE DEPTH OF WATER OVER THE WRECK IS UNKNOWN.  THE WRECK IS NOT MARKED AND WILL NOT BE REMOVED.
  NOS CHART I