Statistics for occurrence #1 of “Columbus” in chapter 15 of Admiral David D. Porter, The Naval History of the Civil War.:

...eded, and to replenish their crews, for they were all very much in want of men. As fast as the vessels were made ready for service they were kept moving in the work of reconnoitering down towards Columbus . or else they were employed on the Cumberland and Tennessee rivers to deter the enemy from erecting batteries along the banks; also to assure the inhabitants that they would be protected by the Fed...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Columbus (Georgia, United States) 419 0 283 0 0 user votes
Columbus (Mississippi, United States) 325 6 141 0 0 user votes
Columbus (Alabama, United States) 4 0 0 0 0 user votes
Columbus (Indiana, United States) 3 0 3 0 0 user votes
Columbus (Arkansas, United States) 1 0 1 0 0 user votes
Columbus (New York, United States) 1 0 1 0 0 user votes
Columbus (North Carolina, United States) 1 0 1 0 0 user votes
Columbus (Colorado, United States) 0 0 0 0 0 user votes
Columbus (Georgia, United States) 0 0 0 0 0 user votes
Columbus (Illinois, United States) 0 0 0 0 0 user votes
Columbus (Kansas, United States) 0 0 0 0 0 user votes
Columbus (Louisiana, United States) 0 0 0 0 0 user votes
Columbus (Michigan, United States) 0 0 0 0 0 user votes
Columbus (Montana, United States) 0 0 0 0 0 user votes
Columbus (Nevada, United States) 0 0 0 0 0 user votes
Columbus (New Jersey, United States) 0 0 0 0 0 user votes
Columbus (New Mexico, United States) 0 0 0 0 0 user votes
Columbus (North Carolina, United States) 0 0 0 0 0 user votes
Columbus (North Dakota, United States) 0 0 0 0 0 user votes
Columbus (Pennsylvania, United States) 0 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.