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

...iver. This steamer, whatever she was, got the Clifton and Sachem afloat and towed them up the river. The Arizona, Granite City and trans ports got over the bar and made the best of their way to South West Pass , the army having made no attempt to land. The Granite City and Arizona do not appear to have received any injuries, but they made no attempt to rescue the two steamers that had surrendered. Thi...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
South West Pass (Louisiana, United States) 4 4 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.