|part of 1871 map showing Chicago, Illinois impacted by the Great Fire|
The image above shows part of the southern region of the city that was involved in the fire.
The map can be directly linked to here.
City of Chicago.
Chicago, as it is, showing the burnt district
[New York] : Gaylord Watson, 1871.
From: Goodspeed's History of the great fires, New York, 1871
The map is a part of the American Memory Collection at the Library of Congress.