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Illinois Family History Research: Place Names of the 33 Western Counties

Place names: Elevation, Incorporation Date, Former Names, Later Name, Post Office Dates of Operation, Population, Railroads, Rural Route, Towns, Townships, US Post Offices 1859/60, Zip Code, this listing offers every town and and township that ever existed in Illinois and is grouped by the county.

Illinois Family History Research: Place Names of the 44 Southeast Counties

Place names: Elevation, Incorporation Date, Former Names, Later Name, Post Office Dates of Operation, Population, Railroads, Rural Route, Towns, Townships, US Post Offices 1859/60, Zip Code, this listing offers every town and and township that ever existed in Illinois and is grouped by the county.

Illinois Family History Research: Place Names of the Northeast 25 Counties

Place names: Elevation, Incorporation Date, Former Names, Later Name, Post Office Dates of Operation, Population, Railroads, Rural Route, Towns, Townships, US Post Offices 1859/60, Zip Code, each county now has last updated date at the beginning of each county listing, this listing offers every town and and township that ever existed in Illinois and is grouped by the county.

Illinois State Archives Databases - Name Index to Illinois Local Governments

You may search the Name Index to Illinois Local Governments by Name of Local Government, Form of Government, County, or Form of Government & County.

Library of Congress - Panoramic Maps - Illinois

Library of Congress - Railroad Maps, 1828-1900 - Illinois

List of former United States counties - Illinois (Wikipedia)

Map Geeks - State & County Maps of Illinois

MAPofUS.org - Illinois Maps and Atlases

New Horizons Genealogy - Illinois County Formation Maps

Maps showing the formation of Illinois counties, including comprehensive county formation information, history and the origin of county names.

Old Maps of New Jersey, Pennsylvania, Indiana, Illinois, Ohio, California, Scotland, Wales, England

Old Maps of Scotland 1859. Handsome reproductions. Also, Ireland, England, Wales.

Perry-Castañeda Library Map Collection

From The University of Texas at Austin.

Range Maps for Dummies

U.S. Census Bureau - Illinois County Outline Map

USGenWeb Archives, United States Digital Map Library

Wikimedia Commons - Category:Old maps of the Great Lakes

Yale Peabody Museum: GNIS - Illinois

Search the USGS Geographic Names Database. You can limit the search to a specific county in this state and search for any of the following features: airport arch area arroyo bar basin bay beach bench bend bridge building canal cape cemetery channel church cliff crater crossing dam falls flat forest gap geyser glacier gut harbor hospital island isthmus lake lava levee locale mine oilfield other park pillar plain ppl range rapids reserve reservoir ridge school sea slope spring stream summit swamp tower trail tunnel valley well woods.