 big_sioux_river |
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| 1. | [ noun ] (geography) a river that rises in northeastern South Dakota and flows southward to join the Missouri River at Sioux City, Iowa | |
| Related terms: | river South_Dakota | |
| big_sioux_river |
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| 1. | [ noun ] (geography) a river that rises in northeastern South Dakota and flows southward to join the Missouri River at Sioux City, Iowa | |
| Related terms: | river South_Dakota | |
