Statistics for occurrence #1 of “Ohio River” in chapter 46 of Ulysses S. Grant, Personal Memoirs of U. S. Grant:

... superiority of numbers. Hearing nothing of him, however, he started on his return trip to Vicksburg. There he learned that Smith, while waiting for a few of his men who had been ice-bound in the Ohio River , instead of getting off on the 1st as expected, had not left until the 11th. Smith did meet Forrest, but the result was decidedly in Forrest's favor. Sherman had written a letter to Banks, pro...
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