
The Mississippi River creates a dynamic border between Missouri and Illinois on this 2021 survey, defining a landscape of sprawling wetlands and riverine islands. On the western bank, the settlements of Winfield and Old Monroe anchor a region shaped by complex water systems, including the Cuivre River, Cuivre Canal, and numerous sloughs like Argent Slough. This modern topography highlights the persistent geographic importance of river crossings, evidenced by the Winfield Ferry near Cap au Gris.
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This is the sole edition of this map. No revisions or reprints were ever made.
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