HISTORY
  CL1196/78--NOAA SHIP MC ARTHUR, 7/28/78-- INVESTIGATION OF A REPORTED SUBMERGED PINNACLE ROCK BY FISHING VESSEL.  THE ROCK WAS LOCATED AND POSITIONED BY VISUAL AND LORAN-C METHODS. LEAST DEPTH ON THE ROCK WAS 3 FMS IN POS.59-44-12N, 147-51-10W