File:Fort Dearborn 1808.jpg

Map of Fort Dearborn in January 1808 by Captain John Whistler, commandant of the fort. Date	25 January 1808 Source	Scanned by User:JeremyA from Holland, Robert A. (2005) "Chicago in Maps, 1612 to 2002" Author	John Whistler (1756–1829) Permission (Reusing this file) Public domain: 1—it is a work of the United States Federal Government; 2—the author died more than 100 years ago; 3—the map was first published in the United States before 1923