Statistics for occurrence #1 of “Arkansas River” in chapter 25 of Admiral David D. Porter, The Naval History of the Civil War.:

...nsports. This was the last expedition necessary to send up the White River for some time. It remained open during the war excepting on several occasions when guerillas infested its banks. The Arkansas River also remained open; its difficult navigation offered no inducement for any one to seek adventures in its treacherous waters. To show how carelessly the history of the war of the Rebellion has bee...
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