
 SURVEY REQUIREMENT COMMENTS
  FOR EXTENT OF RUINS AND PIERS SEARCH A SWATH OF 20 METERS ON ì
BOTH SIDES EACH

 HISTORY
  UNKNOWN SOURCE--4 PIER RUINS, 2 PIERS (ENT SRB 11/87)
  H10330/90--OPR-K229-AHP-89; DELETE PIER RUINS CHARTED IN LAT. ì
27-44