Statistics for occurrence #1 of “Arkansas” in chapter 25 of Admiral David D. Porter, The Naval History of the Civil War.:

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Arrival of the expedition. the Army in the rear of Arkansas post. plan of the fort. the gun-boats in position. the fort opens fire. the guns of the fort silenced by the gun-boats. sad havoc. the Rattler's hot reception. the battle renewed at daylight. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Arkansas (Arkansas, United States) 8,997 64 1 0 0 user votes
Arkansas (United States) 698 10 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.