Map of Chicago from 1871. The shaded area was destroyed by the fire. This map appeared in a newspaper shortly after the fire.
originally uploaded on en.wikipedia by <a href="https://en.wikipedia.org/wiki/User:Michael_L._Kaufman" class="extiw" title="en:User:Michael L. Kaufman">Michael L. Kaufman</a> at 05:22, 1 January 2006. Filename was <a href="https://en.wikipedia.org/wiki/Image:Chicago_Fire_map.JPG" class="extiw" title="en:Image:Chicago Fire map.JPG">Chicago Fire map.JPG</a>.