Statistics for occurrence #1 of “Arkansas” in page 275 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

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the winter and provide for their families. McCulloch's brigade was on the Arkansas River, and Pearce's had been disbanded. Under the treaty which had been negotiated at Richmond, the enlistment of Missourians in the Confederate army was at once begun and was continued at Springfi...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Arkansas (Arkansas, United States) 8,997 78 1 0 0 user votes
Arkansas (United States) 698 8 0 0 0 user votes
Arkansas (Kentucky, United States) 2 0 0 0 0 user votes
Arkansas (West Virginia, United States) 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.