H9671/77--OPR-411-FA-77; 1:5,000; PIERS 8A AND 8B HAVE BEEN REMOVED; HYDRO    
 REVEALED SHOALING IN BOUNDARIES OF FORMER PIERS; DIVERS FOUND NUMEROUS WOODEN
 PILES CUT OFF TO WITHIN ONE FOOT OF BOTTOM; EVALUATOR RECOMMENDS CHARTING    
 SUBM RUINS IN