
HISTORY
H10206/85--OPR-J217-MI-85; OBSTRUCTION (SPIKE ON ECHOGRAM) LOCATED IN  
 LAT 30-05-34.27N, LONG 88-02-14.89W. COVERED 61 FEET IN 70 FEET. TWO  
 DIVE INVESTIGATIONS WERE NEGATIVE. HYDROGRAPHER NOTES THAT SPIKE MAY  
 HAVE BEEN FISH OR "STRA