     
HISTORY
REVISORY SURVEY 1969--8 PILES; SCALED AT 1:15000 FROM CHART 14974 (NAD 1902)  
 IN LAT 46-35-51.0N, LONG 90-53-28.8W.                                        
TP00439--(78-80) REVIEWED CLASS 1; 4 DOLPHINS (BARE),SCALED AT 1:15000 IN