Statistics for occurrence #1 of “the Alleghanies” in chapter 7, page 176 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 4, 15th edition.:

...poch, proposed to leave the Ohio valley as it had been at the treaty of Utrecht. Mirepoix, in reply, was willing that both the French and English should retire from the country between the Ohio and the Alleghanies , and leave that territory neutral, which would have secured to his sovereign all the country north and west of the Ohio. England, on the contrary, demanded that France should destroy all her forts ...
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