Illinois Atlas of Historical County Boundaries
John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant
Copyright The Newberry Library 2008
ALLEN (proposed)
AUDUBON (proposed)
BENTON (proposed)
COFFEE (proposed)
DANE (see CHRISTIAN)
DOUGLAS (proposed)
HARRISON (proposed)
HIGHLAND (extinct)
HOLMES (proposed)
ILLINOIS (Va., extinct)
KANKAKEE (proposed)
KNOX (Ind.)
LINCOLN (proposed)
MARQUETTE (see HIGHLAND)
MICHIGAN (proposed)
MILTON (proposed)
OKAW (proposed)
OREGON (proposed)
WAYNE (Ind. Terr., extinct)
WAYNE (N.W. Terr., extinct)