Statistics for occurrence #1 of “Arkansas River” in chapter 22 of Wiley Britton, Memoirs of the Rebellion on the Border 1863.:

...ll be more convenient for our troops at Fort Smith to transport their supplies from there than from this point. Fort Gibson, however, will probably still receive supplies from this place, until the Arkansas River is opened to navigation. A month or more may be required to perfect arrangements for bringing supplies through from Little Rock to the Army of the Frontier at Fort Smith, so that, in the meantime, ...
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