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United States Rivers

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St. Marys River

StatesIndiana (41 mi), Ohio (57 mi)
Length97.8 miles
Watershed Length*187 miles
MouthMaumee River Lake Erie


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Name Distance
from Mouth
Black Creek451730
Blue Creek392626
Kopp Creek981515
Twelvemile Creek691818
Watercourse ‐ ‐ ‐ Watershed

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

Data from United States Geological Survey