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United States Rivers

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Grass River

StatesAlaska
Length66.1 miles
Watershed Length*443 miles
MouthPorcupine River Northeastern Pacific Ocean
GNIS1402888

Tributaries

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Name Distance
from Mouth
(miles)
 Length
 (miles)
 Watershed
Length
(miles)
Little Black River66206377
Watercourse ‐ ‐ ‐ Watershed

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


Data from United States Geological Survey