The Missouri River, from its source in the Rocky Mountains to its junction with the Mississippi, is 2,963 miles long. Of this, 547 miles pass over South Dakota, from the mouth of the Sioux River in th…
The Missouri River, from its source in the Rocky Mountains to its junction with the Mississippi, is 2,963 miles long. Of this, 547 miles pass over South Dakota, from the mouth of the Sioux River in th…
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