Statistics for occurrence #1 of “Ohio River” in entry western-lands of Harper's Encyclopedia of United States History:

...jurisdiction made during colonial times by the Six Nations, the conquerors, it was pretended, of the whole Western country between and including the Great Lakes and the Cumberland Mountains below the Ohio River . These were claimant States. As all that vast territory was to be wrested from Great Britain by joint efforts, it was claimed that it ought to be joint property. The claimant States expected ...
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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.