Statistics for occurrence #1 of “Ohio River” in chapter 20 of Colonel William Preston Johnston, The Life of General Albert Sidney Johnston : His Service in the Armies of the United States, the Republic of Texas, and the Confederate States.:

...his advantage with energy and skill. An examination of the map will show the great peril of the situation to the Southern sympathizers in the State. The people of its eastern section, from the Ohio River to the Tennessee line, Democratic at the opening of the contest, and Southern in their sympathies, though non-slaveholding like their neighbors of West Virginia and East Tennessee, had been won over ...
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