  H10429/92--OPR-K470-HE; DIVER INVESTIGATION FOUND  A 2 METER LONG METAL CYLINDER 1.25 METERS IN DIAMETER WITH A 0.3 METER DIAMETER EXTENSION STICKING INTO THE BOTTOM.  THE CYLINDER RISES 1.5 METERS OFF THE BOTTOM.  OBSTRUCTION LOCATED IN LAT 26-03-30.7