Statistics for occurrence #1 of “Charleston” in chapter 32 of Admiral David D. Porter, The Naval History of the Civil War.:

...re pushed to completion for the purpose of taking Charleston, and for such other work as could not be accomplished by wooden ships. From the time Rear-Admiral Dupont took command of the squadron, Charleston had been closely watched from outside the bar, and the whole southern coast blockaded to the satisfaction of the Department. This was good work to accomplish from November, 1861, to October, 1862...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Charleston (South Carolina, United States) 9,029 898 1,545 0 0 user votes
Charleston (California, United States) 22 0 0 0 0 user votes
Charleston (North Carolina, United States) 3 0 1 0 0 user votes
Charleston (Mississippi, United States) 2 0 2 0 0 user votes
Charleston (New York, United States) 2 0 2 0 0 user votes
Charleston (Iowa, United States) 0 0 0 0 0 user votes
Charleston (Kentucky, United States) 0 0 0 0 0 user votes
Charleston (Maine, United States) 0 0 0 0 0 user votes
Charleston (Michigan, United States) 0 0 0 0 0 user votes
Charleston (Nevada, United States) 0 0 0 0 0 user votes
Charleston (New Jersey, United States) 0 0 0 0 0 user votes
Charleston (New Zealand) 0 0 0 0 0 user votes
Charleston (Ohio, United States) 0 0 0 0 0 user votes
Charleston (Ohio, United States) 0 0 0 0 0 user votes
Charleston (Ohio, United States) 0 0 0 0 0 user votes
Charleston (Ohio, United States) 0 0 0 0 0 user votes
Charleston (Oregon, United States) 0 0 0 0 0 user votes
Charleston (Pennsylvania, United States) 0 0 0 0 0 user votes
Charleston (Pennsylvania, United States) 0 0 0 0 0 user votes
Charleston (South Australia, Australia) 0 0 0 0 0 user votes
Charleston (Texas, United States) 0 0 0 0 0 user votes
Charleston (Utah, United States) 0 0 0 0 0 user votes
Charleston (Washington, 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.