Statistics for occurrence #1 of “Ohio River” in chapter 1 of John G. Nicolay, A Short Life of Abraham Lincoln, condensed from Nicolay and Hayes' Abraham Lincoln: A History:

... was somewhat varied. When he was sixteen, while working for a man who lived at the mouth of Anderson's Creek, it was part of his duty to manage a ferry-boat which transported passengers across the Ohio River . It was doubtless this which three years later brought him a new experience, that he himself related in these words: When he was nineteen, still residing in Indiana, he made his first trip...
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