 HISTORY
  H8913/1966--DOLPHINS SHOWN IN POS. 60-03-07.8 N  148-03-47.1 W AND 60-03-06.1 N  148-03-57.0 W
  H11013/00--OPR-P139-RA-00; Six dolphins (Pos. #20951-20956) were found within 200 meters from the charted position through an echo sounder and v