 HISTORY
  H10533/94-- OPR-D368-WH; SIDE SCAN SONAR CONTACT. DIVERS ì
DESCRIBE A CONCRETE BUOY ANCHOR MEASURING 4 X 4 X 4 FEET. ECHO ì
SOUNDER LD OF 13.6 METERS (44 FEET) CONSIDERED THE TRUE LD SINCE ì
ITEM IS SMALL AND OF KNOMN SHAPE. AVERAGE DEPTH