Statistics for occurrence #1 of “Southwest” in chapter 164 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 3.:

...ient servant, H. French, Commanding U. S. Ship Preble. Flag-officer Wm. W. Mckean, Commanding Gulf Blockading Squadron, United States Ship Niagara. United States steamer water Witch, off Southwest Pass, October 24, 1861. sir: In compliance with your instructions, the following statement of the recent occurrences in the Mississippi River, on the morning of Saturday, October 12, 1861, is res...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Southwest (Indiana, United States) 58 12 0 0 0 user votes
Southwest (Pennsylvania, United States) 42 0 0 0 0 user votes
Southwest (North Carolina, United States) 36 2 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.