English: Illinois in 1718, approximate modern state area highlighted, from Carte de la Louisiane et du cours du Mississipi by Guillaume de L'Isle. This map shows Chicago as being the strategic point of connection between the Great Lakes and the Mississippi River Basin.
2009-07-25 15:17 Billwhittaker 589×737× (237103 bytes) {{Information |Description = Illinois in 1718, approximate modern state area highlighted, from ''Carte de la Louisiane et du cours du Mississipi'' by [[Guillaume de L'Isle]]. |Source = Library of Congress Public Domain Site: http://hdl.loc.go
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Illinois in 1718, approximate modern state area highlighted, from Carte de la Louisiane et du cours du Mississipi by Guillaume de L'Isle.
{{Information |Description={{en|Illinois in 1718, approximate modern state area highlighted, from ''Carte de la Louisiane et du cours du Mississipi'' by en:Guillaume de L'Isle.}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]<br/> (