Statistics for occurrence #1 of “Vicksburg” in chapter 2.7 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

... Vicksburg
Marcus J. Wright, Brigadier-General, C. S.A., Agent of the United States War Department for the Collection of military Records...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Vicksburg (Mississippi, United States) 8,077 71 627 3 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.