  LNM 52/97 (12/23/97)--CGD8; REPORTS A SUNKEN RIG (CGD8 172-97) COVERED BY 9 FATHOMS OF WATER IN APPROXIMATE POSITION LAT. 28/09/44.00 N, LONG. 096/12/56.00 W (NAD83). THIS LNM ALSO ADDS THE MURPHY EXPLORATION LIGHTED BUOY  "WR"-PRIVATE MAINTAINED- WITH