Statistics for occurrence #1 of “Fort Pitt” in chapter 15 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

... to New Orleans; or across the river by night to St. Louis where they could be exchanged for French goods. All English merchandise came burdened with the cost of land carriage from Philadelphia to Fort Pitt . The British Navigation Acts spread their baleful influence over the western Prairies. In November, Wilkins, the new Commandant in Illinois, following suggestions from Gage, appointed seven civil ...
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