Statistics for occurrence #1 of “Fort Jackson” in chapter 18 of Admiral David D. Porter, The Naval History of the Civil War.:

...he trying circumstances of the hour. The Iroquois. under Com. De Camp, a very gallant officer. diverged from the line, and being very swift, passed ahead of the vessels of her division. Above Fort Jackson , from which she did not receive a single shot, though passing its levee within fifty yards, the Iroquois was attacked by a ram and the gun-boat McRea, both of which were driven off, and the commander...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Fort Jackson (Louisiana, United States) 1,416 338 24 2 0 user votes
Fort Jackson (New York, 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.