| View KML View WKT | United States Rivers |
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Blackstone River
| States | Massachusetts (31 mi), Rhode Island (15 mi) |
| Length | 46.0 miles |
| Watershed Length* | 114 miles |
| Mouth | Seekonk River ⤏ Atlantic Ocean |
| GNIS | 1218929 |
Tributaries
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| Name | Distance from Mouth (miles) | Length (miles) | Watershed Length (miles) |
|---|---|---|---|
| Branch River | 16 | 10 | 19 |
| Mill River | 12 | 19 | 19 |
| Mumford River | 24 | 19 | 19 |
| Quinsigamond River | 35 | 11 | 11 |
* Note: Watershed is mostly rivers/streams 15+ miles in length.
Data from United States Geological Survey