  L-1504/75-- NOS;  PILES ADDED THROUGH L-1504/75 WITH APPROXIMATE POITIONS AT 31/09/30.75N 081/29/57.31W AND 31/09/35.88N 081/29/58.82 FOR A FLOATING DOCK. NO SOURCE WAS LOCATED FROM THE HISTORIES WHICH ADDED THE THREE MIDDLE PILES AT 31/09/32.97N 081/2