Statistics for occurrence #1 of “Arkansas” in chapter 3.9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

...y of similar composition — untrained men and boys. Men from Virginia, from North and South Carolina, from the mountains of Tennessee, from Alabama, Mississippi, and Georgia, even from distant Arkansas , had gathered on the soil of the Old Dominion State to do battle for the Southern cause. Between the two armies flowed the stream of Bull Run, destined to give its name to the first great battle of...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Arkansas (Arkansas, United States) 8,997 24 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.