      
HISTORY
RS1972--PILE AND RUINS; SCALED AT 1:15000 FROM CHART 14974 (NAD 1902) IN LAT  
 46-36-42.6N, LONG 90-50-29.0W. AREA WITHIN 100 METER RADIUS OF PILE HAS BEEN 
 SUBJECT TO MANY CHARTING REVISIONS PRIOR TO 1972.