  
  H11218/04-- OPR-G443-NRT; HYDROGRAPHER LOCATED AN UNCHARTED OBSTRUCTION WITH AN ES DEPTH OF 15 FEET IN LAT.30-06-56.81N, LONG.81-40-10.67W USING 200% SSS. EVALUATOR RECOMMENDS  A DANGEROUS OBSTRUCTION WITH A DEPTH 15 FEET BE CHARTED AS SHOWN ON THE