 HISTORY
  CL1431/73-- RU/HE UNINVESTIGATED HANG IN 55 FEET.
  H10805/98-99--OPR-K171-KR;  OBSTRUCTION FOUND IN LATITUDE 29/10/50.52N, LONGITUDE 094/37/17.95W (NAD83) WITH A LEAST DEPTH OF 52 FEET MLLW.  AHB RECOMMENDED CHARTING ONLY A 52-FOOT SOUNDING