Statistics for occurrence #1 of “Vicksburg” in chapter 27 of Admiral David D. Porter, The Naval History of the Civil War.:

...es on the owners of slaves, and large numbers of the latter went off either in the transports or on the gun-boats. The negroes stated that they had been employed in working on the fortifications at Vicksburg , Haines' Bluff. etc., and the fact that they had been employed to cut down the trees on Steele's Bayou, thereby to hem in the gun-boats, was a good reason for taking them away. The last and best ...
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.