
 HISTORY
  UNKNOWN SOURCE--PIER APPEARED ON FIRST EDITION (DATED 1971) OF ì
CHART 11317 (522). POSITION SCALED FROM INSET OF CHART 11317 ì
(1:20,000). POSITION: LAT. 28-37-15N, LONG. 96-37-20W.
  H10411/91-92-- OPR-K228-AHP; THIS ITEM IS ACTUALLY A B