Statistics for occurrence #1 of “Port Hudson” in chapter 7 of John Dimitry , A. M., Confederate Military History, a library of Confederate States Military History: Volume 10.1, Louisiana:

...romptness. Some of the works were already waiting to receive the guns, which ought to command the river more completely than at Vicksburg. This was the opinion of Breckinridge, who now moved from Port Hudson to Jackson, Miss., leaving Ruggles in command.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Hudson (Louisiana, United States) 5,174 122 536 0 0 user votes
Port Hudson (Missouri, 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.