Statistics for occurrence #1 of “Niagara River” in entry niagara-fort of Harper's Encyclopedia of United States History:

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A defensive work on the east side of Niagara River , near its mouth. Its building was begun as early as 1673, when La Salle enclosed a small spot there with palisades. In 1687 De Nonville constructed a quadrangular fort there, with four bastions. ...
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Entity Corpus Doc Corpus Doc  
Niagara River (New York, United States) 166 126 0 0 0 user votes

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