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United States Rivers

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Grass River - Middle Branch

StatesNew York
Length14.1 miles
Watershed Length*14 miles
MouthGrass River ⤏ St. Lawrence River
GNIS976655
— Watercourse ‐ ‐ ‐ Watershed

* Note: Watershed is mostly rivers/streams 15+ miles in length.


Data from United States Geological Survey