Statistics for occurrence #1 of “United States” in chapter 34 of Admiral David D. Porter, The Naval History of the Civil War.:

... sixty-two rifle-shell. I am, sir, very respectfully, your obedient servant, Charles Steedman, Commander. Flag-Officer S. F. Dupont, Commander-in-Chief of Naval Forces, etc., etc. United States Gun-Boat Seneca, Port Royal, S. C., Nov. 15, 1861. Sir-In obedience to your order of this date, I nave the honor to make the following report: On Monday, the 4th, this vessel entered Port Roy...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 694 0 0 0 user votes
United States (New Mexico, United States) 6 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.