
 SURVEY REQUIREMENT COMMENTS
  FOR EXTENT OF PIER SEARCH A SWATH OF 20 METERS ON BOTH SIDES

 HISTORY
  UNKNOWN SOURCE--TWO PIERS RUINS (ENT SRB 2/88)
  H10363/90-91-- OPR-K229-AHP; PIER LOCATED IN LAT. 27-50-12.55N, ì
LONG. 97-13-16.76W. EVALUATO