THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
2 entries match your criteria.  

 
 

Related Historical Markers

Third Meridian Markers.
 
By Craig Swain
Corps of Discovery Kiosk and other Markers
SHOWN IN SOURCE-SPECIFIED ORDER
1 ► Illinois, Alexander County, Cairo — Historical Survey Marker —
On Washington Avenue (U.S. 60/62) south of U.S. 51, on the right when traveling north.
2 ► Illinois, Alexander County, Cairo — The Beginning of the Third Principal Meridian —
On Washington Avenue (U.S. 60/62), on the right when traveling south.
 
 
  
  
  
 
 
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Nov. 13, 2026