Statistics for occurrence #1 of “St. Louis” in chapter 19 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...drums beating and flags flying. On the morning of the 19th, word came to Captain Lyon that heavy cannon and mortars in boxes, marked Marble, and shot and shell in barrels, had been landed at St. Louis from the steamer J. C. Swan, and taken to Camp Jackson on drays. Reports concerning the matter were contradictory, and the commander resolved to make a personal reconnoissance of the secession camp...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
St. Louis (Missouri, United States) 2,551 82 591 0 0 user votes
St. Louis (Michigan, United States) 4 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.