Marshall County, Illinois
Lat/Long: 41.0333, -89.3667
The Illinois General Assembly created Marshall County in 1839 out of Putnam County. The same year, commissioners appointed for the purpose chose Lacon as the county seat.
An Act to Establish the County of Marshall; John S. Burt and W. E. Hawthorne, Past and Present of Marshall and Putnam Counties Illinois (Chicago: Pioneer, 1907), 17-18.