     
HISTORY
REVISORY SURVEY 1941-- PIER SCALED AT 1:15000 FROM CHART 14974 (NAD 1902) IN  
 LAT 46-35-03.4N, LONG 90-55-00.0W.   NOW SCALED IN NAD 83.                                        
REVISORY SURVEY 1950--PIER, TWO VISIBLE PILES;THE REST SU