Third River may refer to:
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Third River Township, Itasca County, Minnesota
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Third River (Minnesota)
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Third River (New Jersey)
The Third River, also known as the Yantecaw River (possibly from Munsee ''yu wandakw'', "here this way"), is the third (upstream) main tributary of the Passaic River in Passaic and Essex Counties, New Jersey in the United States.
The river origi ...
, a tributary of the Passaic River
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