  ****UNKNOWN SOURCE--  BETWEEN 1972 - 1974,  A WRECK WAS CHART.
  LNM 2/79--  REVISED WRECK SYMBOL TO DANGEROUS SUBMERGED WRECK AND ADDED LABEL PA FOR POSITIN APPROXIMATE.  WRECK LOCATED ON CHART HISTORY AT 33°54'16.0" - 078°00'59.0".  (ENTERED CEH 9/2