View KML View WKT | United States Rivers |
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Rock Creek - South Branch
States | Illinois |
Length | 19.8 miles |
Watershed Length* | 20 miles |
Mouth | Rock Creek ⤏ Gulf of Mexico |
GNIS | 418730 |
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![](https://a.tile.openstreetmap.org/11/523/764.png)
![](https://c.tile.openstreetmap.org/11/525/764.png)
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* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey