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1934 Map of Cahokia

Name: 1934 Topographic Map of Cahokia
Creator: U.S. Geological Survey
Published: 1934
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1934

About this map

The industrial and riverfront landscape of Monsanto and Cahokia dominates this 1934 survey, revealing the dense concentration of infrastructure along the Mississippi River. The map meticulously details a complex rail network serving the American Bottoms, including the Terminal Railroad Association and the Missouri Pacific Railroad, which converge at the sprawling yards of Dupo and Valley Junction. This era of development is juxtaposed with the natural topography of the floodplain, where features like Lily Lake, Labras Lake, and the winding Cahokia Slough remain visible amidst the growing industrial footprint.

Local researchers can identify numerous rural landmarks such as Lark Cem and schools like Chartrand Sch and Sugarloaf Sch. The transition from the flat river valley to the bluffs is marked by Falling Spring and Triple Lakes, while the river itself features Arsenal Island and Carroll Island. The survey also documents the early footprint of State Highway No 157 and the Municipal Bridge, key links to the urban center to the north.