 HISTORY
  CL123/72--COE; APPLICATION FOR THE INSTALLATION OF PILES TO BE ì
USED AS CHANNEL MARKERS PLOTTED ON A ROUGH PLAN USING USC&GS ì
CHT.490. POS. OF THE PILE IN QUESTION SCALED FROM CHT.11383, 43ED ì
IN POS. LAT.30-20-31.5N, LONG.87-09-04.5W. (EN