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TitleState of Illinois, Population Density by County 1820 vs 1830
SourceAbraham Lincoln Historical Digitization Project
CreatorSiczewicz, Peter
PermissionAbraham Lincoln Historical Digitization Project
InfoCounty boundary map courtesy of: HUSCO Boundary Files, 1790-1999.
Eds. Carville and associates. Baton Rouge, LA: Geoscience Publications, 1999.
Copyright 1991,1996,1999 Carville Earle.
More_InfoCensus data provided by: Inter-university Consortium for Political and Social Research.
Historical, Demographic, Economic, and Social Data: The United States, 1790-1970 .