     
HISTORY
REVISORY SURVEY 1938-- PIER (CITY DOCK); SCALED AT 1:15000 FROM CHART 14974   
 (NAD 1902) IN LAT 46-35-30.0N, LONG 90-53-24.8W.  NOW SCALED IN NAD 83.                          
REVISORY SURVEY 1944-- VISIBLE PILES; SAME POSITION.