 HISTORY
  CL518/80--4/15/80, USCG 11TH DIST.: A ROCK MOUND OBSTRUCTION EXISTS IN POSITION LAT 33-44-25.00N, LONG 118-13-42.00W (NAD 27), CLOSE TO THE NAVY MOLE.  APPROXIMATELY PERPENDICULAR TO THE MOLE FROM 170 FEET SOUTH OF THE MOLE TO 300 FEET SOUTH