Statistics for occurrence #1 of “Potomac river” in chapter 4, page 16 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 4.:

... Potomac river
neck, and private William Exall, of the same company, wounded in the leg, which had to be amputated, and which, I regret to say, has...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Potomac River (United States) 286 0 0 0 0 user votes
Potomac River (Maryland, United States) 2 0 0 0 0 user votes
Potomac River (Maryland, United States) 2 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.