
 HISTORY
  CL292/72--USPS; REPORTED PILES NOT SHOWN ON CHART. POSITION ì
SCALED FROM CHART 11317 (1:50,000). POSITION: LAT. 28-37-19N, ì
LONG. 96-22-08W. (ENT GM 1/88)
  H10415/92-- OPR-K228-AHP; PILES VISUALLY LOCATED IN LAT. ì
28-37-16.25N, LONG. 9