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

 HISTORY
  UNKNOWN SOURCE--2 PIERS (ENT SRB 2/88)
  H10363/90-91-- OPR-K229-AHP; PIER RUINS LOCATED IN LAT. ì
27-50-32.57N, LONG. 97-13-31.80W