| View KML View WKT | United States Rivers |
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Rotten Grass Creek
| States | Montana |
| Length | 80.3 miles |
| Watershed Length* | 80 miles |
| Mouth | Bighorn River ⤏ Gulf of Mexico |
| GNIS | 775956 |
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* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey