 HISTORY
  H8913/1966--DOLPHIN SHOWN,  USED AS HYDROGRAPHIC CONTROL STATION "TAN".
  H11013/00--OPR-P139-RA-00; A pile was found through an echo sounder and visual search.  One detached position was taken in LAT. 60/03/22.020N    LON. 148/03/18.194W ma