HISTORY
H10206/85--OPR-J217-MI-85; OBSTRUCTION ADDED DURING OFFICE PROCESSING IN  
 LAT 30-02-52.35N, LONG 88-19-46.07W. ECHO SOUNDER DEPTH OF 53 FEET.  
 EVALUATOR RECOMMENDS CHARTING AN OBSTRUCTION AS SURVEYED AND INVESTIGATING  
 AT AN OPPORTUNE T