Statistics for occurrence #1 of “Port Hudson” in chapter 26 of Admiral David D. Porter, The Naval History of the Civil War.:

...arch up to Vicksburg and assist Grant, and so envelop the city, but for some reason this movement was delayed from time to time, and the latter had to depend upon his own resources. Vicksburg and Port Hudson were both receiving large supplies via the Red River, and the first step necessary to be taken was to send a vessel (or vessels) to establish a blockade. This, it was thought, would hasten the evac...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Hudson (Louisiana, United States) 5,174 132 536 2 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.