| View KML View WKT | United States Rivers |
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West Okaw River
| States | Illinois |
| Length | 32.2 miles |
| Watershed Length* | 48 miles |
| Mouth | Kaskaskia River ⤏ Gulf of Mexico |
| GNIS | 420878 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Marrowbone Creek | 10 | 15 | 15 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey