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These are direct links to historic maps online that are limited to a specific subject.
General reference maps can be found in the Historic maps section.
For entire collections, see also Sources and links
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Chicago growth, decade by decade |
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World's Columbian Exposition site today |
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Chicago rapid transit history |
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Chicago water works system in 1896 |
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Original surveyor plats of Illinois townships |
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Redlining maps |
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Indian trails of the Chicago area |
Geological maps of Chicago
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Chicago Loop quadrangle |
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Lake Calumet quadrangle |
Complete portfolio of Chicago Area Geologic Maps
Chicago railroad maps
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Smoke Abatement maps of Chicago railroads & industry |
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Smoke Abatement map of Chicago railroads & industry 1915 |
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Open Railway Map |
Chicago transit map collection online at Illinois Railway Museum
Chicago transit maps from Chicago-L.org:
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1898 | Metropolitan West Side Elevated Railroad |
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1913 | Chicago Elevated Railways system map |
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1926 | Chicago Rapid Transit system map |
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1933 | Chicago Rapid Transit system map |
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1946 | Chicago Rapid Transit system map |
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1965 | Chicago Transit Authority system map |
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1975 | Chicago Transit Authority system map |
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1985 | Chicago Transit Authority system map |
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1995 | Chicago Transit Authority system map |
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vary | Chicago Transit Authority track maps |