 HISTORY
  CL168/63--CHART CORRECTION LETTER;  PILING AND FLOATS REPORTED TO BE ESTABLISHED IN JUNE, 1962. TWO ROWS OF PILING AND INDIVIDUAL PILES APPLIED TO THE CHART IN THE FOLLOWING POSITIONS:
5 PILES FROM POS.48-22-05.75 N  124-36-59.9 W TO 48-22-0