
 HISTORY
  FE441/98--OPR-G354-WH; UNASSIGNED (750 METER RADIUS). SIDE SCAN ì
SONAR SEARCH LOCATED AN OBSTRUCTION. DIVERS DESCRIBE A STEEL ì
LATTICE FRAMEWORK OF 3-4-INCH I-BEAMS. MANY SCATTERED CULVERTS IN ì
AREA. LD OF 52.8 FEET (16.1 METERS) IN LAT.