CENTRAL ILLINOIS TERRITORY (by county):
Brown, Bureau, Case, Champaign, Christian, Coles, DeWitt, Douglas, Edgar, Ford, Fulton, Grundy, Hancock, Iroquois, Kankakee, Knox, LaSalle, Livingston, Logan, Macon, Marshall, Mason, McDonough, McLean, Menard, Morgan, Moultrie, Peoria, Piatt, Putnam, Sangamon, Schuyler, Stark, Tazewell, Vermillion, Warron and Woodford counties.