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Jefferson
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Jefferson County, PA
A man in a top hat holds a groundhog up into the air.
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Jefferson County, PA
Jefferson County, PA Map locating Jefferson County, Pennsylvania.

Jefferson

county, Pennsylvania, United States
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

Jefferson, county, west-central Pennsylvania, U.S., bordered by the Clarion River to the north. It consists of a hilly region on the Allegheny Plateau drained by numerous streams, including North Fork, Little Mill, Sandy Lick, Little Sandy, and Redbank creeks. Parklands include Clear Creek State Park and part of Cook Forest State Park. Punxsutawney is known for its annual celebration of Groundhog Day (February 2), during which a groundhog called Punxsutawney Phil emerges from its underground...

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