Statistics for occurrence #1 of “Arkansas” in chapter 8, page 276 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...West from July 2 to September 28, 1862, and later a corps of Van Dorn's Army of Mississippi. In February, 1863, he was ordered to the Trans-Mississippi Department, where he held various commands in Arkansas and elsewhere. His most noteworthy effort was the expedition into Missouri, August-December, 1864, in an attempt to gather a large number of recruits from the independent bands in that State. But...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Arkansas (Arkansas, United States) 8,997 72 1 0 0 user votes
Arkansas (United States) 698 0 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.