 HISTORY
  H-10598/95--OPR-J343-MI;  SIDE SCAN SONAR AND DIVER INVESTIGATION REVEALED A 24 FT X 30 FT HEAP OF CONCRETE RUBBLE, ROCKS, METAL I-BEAMS, AND METAL RODS. LEAST DEPTH WAS 15 FT.
  H12018-- OPR-J417-NRT1-11; Contact detected in 200% SSS covera