Statistics for occurrence #1 of “Mississippi” in chapter 39 of Admiral David D. Porter, The Naval History of the Civil War.:

... with his ships below Port Hudson in bombarding that place. In these operations the Mortar vessels bore a conspicuous part, until Port Hudson fell, with Vicksburg, on the 4th of July, 1863, and the Mississippi was once more opened to the sea. The blockade of the Southern coast,within the limits of Admiral Farragut's command, had, in the main, been efficient and successful, although reverses at Galvesto...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mississippi (United States) 3,760 154 0 0 0 user votes
Mississippi (Mississippi, United States) 5,101 48 1 0 0 user votes
Mississippi (Canada) 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.