
 HISTORY
  UNKNOWN SOURCE--PLATFORM LIKE VISIBLE STRUCTURE. ORIGINATE WITH ì
1968 ED OF CHART 892-SC POS. SCALED IN LAT 27-53-48N; LONG. ì
97-08-03W. (ENTERED LQ 12/87)
  H10328/90--OPR-K229-AHP-89; PLATFORM LOCATED IN LAT. ì
27-53-47.9N, LONG. 97-08