  H10340/90-- OPR-D111-WH; DANGEROUS SUBMERGED OBSTRUCTION LOCATED BY SIDE SCAN SONAR IN LAT. 36-52-34.06N, LONG. 75-53-22.01W. ESTIMATED DEPTH OF 46 FEET (14.2 METERS). ADDITIONAL WORK RECOMMENDED.
  FE353SS/90-- OPR-D111-HE; ITEM NO. 5. DEEPER ESTIMAT