
 HISTORY
  UNKNOWN SOURCE--FOUR SMALL PIERS INSIDE BASIN AT PORT LAVACA ì
APPEARED ON CHART 11317 PRIOR TO 1980 EDITION. POSITION SCALED AT ì
CENTER OF PIERS FROM INSET OF CHART 11317 (1:20,000). POSITION: ì
LAT. 28-36-49N, LONG. 96-37-14W. (ENT. 12/8