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2015 Map of Cahokia

Name: 2015 Topographic Map of Cahokia
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

The Mississippi River creates a high-contrast boundary between the dense urban grid of St. Louis and the low-lying industrial and residential expanses of the American Bottoms in Illinois. On the Missouri side, historic neighborhoods like Soulard, Lafayette Square, and Dutchtown show the established residential character of the city, punctuated by the iconic Jefferson National Expansion Memorial. Connectivity across the water is anchored by the Macarthur Bridge, linking the Missouri metropolis to the sprawling rail and industrial landscapes of East St. Louis and Sauget.

In Illinois, the landscape is defined by drainage features like Harding Ditch and Prairie du Pont Creek which serve the flat, alluvial plain. Traditional community centers such as Cahokia and Dupo sit alongside major infrastructure, including the St Louis Downtown Airport and the complex rail yards at Vulcan. The map also preserves several local burial sites, such as Holy Family Cem and Saint Joseph Cem, which offer significant value for genealogical research in this historic riverfront corridor.