HISTORY
  CL25/87--USGG/USACE;  PIER AND SIX DOLHINS ADDED TO THE CHART (SEE AWOIS 52462 FOR SIXTH).   CHARTED POSITIONS OF DOLHINS FROM SW TO NE AS FOLLOWS;
57-43-42.8 N  152-30-59 W 
57-43-43.5 N  152-30-58.2 W 
57-43-44.4 N  152-30-57.0 W CENTER D