
 HISTORY
  UNKNOWN SOURCE--PILE APPEARED ON CHART 11317 PRIOR TO 1980 ì
EDITION POSITION SCALED FROM INSET OF CHART 11317 (1:20,000). ì
POSITION: LAT. 28-36-31N, LONG. 96-34-03W.
  CL1238/78--USPS; PILE REPORTED NO LONGER VISIBLE ON WEST SIDE OF ì
CH