  SOURCE OF SUBMERGED PILES IS ILLEGIABLE/UNKNOWN.  ORIGINATED ON CHART NO. 636-SC, WHICH IS PREDATED BY DISCONTINUED CHART NO. 577.
(ENTERED BY PSH, 01/02)

  H11091/03--OPR-G443-NRB-03;  200% SIDE SCAN COVERAGE IN THIS REGION REVEALED A SINGLE  SUBM