  1421/2004--  FOR A DTON LETTER, A 19 FOOT SUBMERGED OBSTRUCTION WAS CHARTED AT 27/27/28.43N - 080/19/18.793W.  (ENTERED CEH 6/2007)
  F00544/07-- S-H922-NRT2-07;  During the 200% SSS investigation of the Obstruction, multible contacts verified the exi