
 HISTORY
  FE306/87SS; OPR-E309-RU/HE-87--SUSPICIOUS SONAR TARGET AT LAT 38-34-24N, LONG 76-22-06W NOTED ON SONARGRAMS BY VERIFIER. HEIGHT OF TARGET COMPUTED TO BE 2 1/2 FT WHICH RESULTS AS A SHOALEST DEPTH NEAR AN ISOLATED SHOAL. REMOMMENDED DANGEROU