Statistics for occurrence #1 of “Arkansas” in chapter 23 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...ly, Polk accepted the commission of major-general in the Provisional Army of the Confederate States of America, and was appointed to the command of a department, which extended from the mouth of the Arkansas River, on each side of the Mississippi as far as the northern boundary of the Confederacy. He made his Headquarters at Memphis, in Tennessee; and, in his first general order, issued on ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Arkansas (Arkansas, United States) 8,997 90 1 0 0 user votes
Arkansas (United States) 698 6 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.