The marker is located on IL Route 351, southwest of LaSalle, 100 yards south of the Illinois River Bridge, on the southeast corner of the intersection of Orlando Smith Road and IL Route 351.
The Illinois State Historical Society
On the eminence to the southwest, stood Fort Wilbourn, where the Third Army of Illinois Volunteers was mustered in for service in the Black Hawk War. Here on June 16, 1832 Abraham Lincoln enlisted as a Private in Jacob M. Early's Company, his third enlistment of the war.
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