
The Mississippi River creates a complex landscape of shifting islands and backwater chutes along the Missouri-Illinois border in the mid-1930s. The Salt River meanders into this riverine environment, feeding into the Mississippi River near Ashburn. This era shows a river system dominated by natural drainage patterns and seasonal changes, evidenced by numerous floodplain features like Horseshoe Lake, Flag Pond, and Big Fish Pond.
50 named features on this map. Tap any name to fly to it.
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