Statistics for occurrence #1 of “Ohio river” in chapter 1 of Elias Nason, McClellan's Own Story: the war for the union, the soldiers who fought it, the civilians who directed it, and his relations to them.:

... required by other races. Their fighting qualities are second to none in the world. When the catastrophe occurred — the firing upon Fort Sumter--the excitement in Cincinnati and along the Ohio river was naturally intense. The formation of regiments began at once, and all who had military knowledge or experience were eagerly sought for, myself among others. I did what I could in the way of gi...
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