Statistics for occurrence #1 of “Vicksburg” in chapter 31 of Admiral David D. Porter, The Naval History of the Civil War.:

...ve not been mentioned heretofore, as it could not have been done without interrupting the narrative of current events. Farragut's command up to May, 1863, included the Mississippi River as far as Vicksburg , and all its tributaries below; also the coasts of Louisiana, Florida and Texas, extending from Pensacola on the east to the mouth of the Rio Grande, including that network of bays, streams, inlets, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Vicksburg (Mississippi, United States) 8,077 676 627 8 0 user votes
Vicksburg (Colorado, United States) 1 0 1 0 0 user votes
Vicksburg (Mississippi, United States) 1 0 1 0 0 user votes
Vicksburg (Arizona, United States) 0 0 0 0 0 user votes
Vicksburg (Florida, United States) 0 0 0 0 0 user votes
Vicksburg (Indiana, United States) 0 0 0 0 0 user votes
Vicksburg (Kentucky, United States) 0 0 0 0 0 user votes
Vicksburg (Michigan, United States) 0 0 0 0 0 user votes
Vicksburg (Missouri, United States) 0 0 0 0 0 user votes
Vicksburg (Pennsylvania, United States) 0 0 0 0 0 user votes
Vicksburg (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.