East vs. West River South Dakota: 5 Key Differences You Need to Know

If you've lived in the Mount Rushmore State for any amount of time, you've probably noticed that there are some huge differences between "East River" and "West River" folk.

Geography & Landscape: Mountains vs. Prairies

While we're all South Dakotans, there's no doubt that the Missouri River is a dividing line, of sorts. Here are five of the biggest differences between the two sides of South Dakota.

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