| View KML View WKT | United States Rivers |
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Old Channel Tarkio River
| States | Missouri |
| Length | 19.8 miles |
| Watershed Length* | 71 miles |
| Mouth | Missouri River ⤏ Gulf of Mexico |
| GNIS | 723738 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Little Tarkio Creek | 9 | 29 | 51 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey