Statistics for occurrence #1 of “Ohio river” in chapter 11.97 of Southern Historical Society Papers, Volume 9.:

...ulted in the first thirty-seven sections of the act of July 31st. In those sections Congress among other things divided up the territory of eleven only of the States, and certain territory on the Ohio river , from its rapids to its mouth, (being the district of Louisville,) into revenue districts, and established ports of entry therein; but it carefully refrained in that act from dividing the territory o...
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† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.