View KML View WKT | United States Rivers |
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Willow Creek - West Branch
States | South Dakota |
Length | 21.6 miles |
Watershed Length* | 22 miles |
Mouth | Missouri River ⤏ Gulf of Mexico |
GNIS | 1266926 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey