Statistics for occurrence #1 of “St. Marks” in chapter 2 of Col. J. J. Dickison, Confederate Military History, a library of Confederate States Military History: Volume 11.2, Florida:

... Apalachicola and converted into a blockade runner, but was recaptured off the same port in January following by the Federal steamer Itasca. Tampa bay was blockaded in July, and in August the port of St. Marks was covered by the steamer Mohawk, whose crew also obstructed the channel by sinking a captured sloop. In July the Federal steamer Massachusetts captured four schooners and sent them as prizes to K...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
St. Marks (Florida, United States) 13 0 1 0 0 user votes
St. Marks (Florida, United States) 0 0 0 0 0 user votes
St. Marks (Georgia, United States) 0 0 0 0 0 user votes
St. Marks (Indiana, 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.