 HISTORY
  LNM28/92--8TH CGD, 7/7/92; AN UNKNOWN SUBMERGED OBJECT REPORTED IN POS. LAT.29-36-47.8N, LONG.94-58-23.7W (NAD 83). (ENTERED 11/94 MCR)
  H10661/95-96--OPR-K4204-AHP;  UNIDENTIFIED OBSTRUCTION WITH A LEAST DEPTH OF 4FT FOUND IN POS.29/36/47.