| View KML View WKT | United States Rivers |
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Willow Creek - West Branch
| States | Wyoming |
| Length | 32.2 miles |
| Watershed Length* | 32 miles |
| Mouth | Sand Creek ⤏ Colorado River |
| GNIS | 1596152 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey