
 HISTORY
  SOURCE UNKNOWN, 28 FT. OBSTRUCTION SCALED FROM CHART IN MAPINFO AT POSITION 24-32-15, 081-49-18.  (UPDATED DAS 2/29/2000)
  H10953/01-- OPR-H355-WH; SIDE SCAN SONAR SEARCH NEGATIVE FOR THE SOUTHERN HALF OF SEARCH AREA. REMAINDER OF SEARCH