
 HISTORY
  UNKNOWN SOURCE--TWO PILES APPEARED ON CHART 11317 PRIOR TO 1980 ì
EDITION POSITION BEWTEEN TWO CHARTED PILES SCALED FROM INSET OF ì
CHART 11317 (1:20,000) POSITION: LAT. 28-38-59N, LONG. 096-33-45W ì
(ENT. 12/86 GM)
  H10416/92-- OPR-K228-