
 HISTORY
  H11140/02-- S-G913-WH; WHILE INVESTIGATING AWOIS ITEMS 11469  AND 11471, SIDE SCAN SONAR LOCATED AN UNCHARTED OBSTRUCTION. SWMB LD OF 37.76 FEET (11.51 METERS) IN LAT. 31-57-01.687N, LONG. 80-40-57.818W. SIDE SCAN IMAGERY INDICATES MAN-MADE