Statistics for occurrence #1 of “Potomac river” in article 6 of The Daily Dispatch: April 20, 1861., [Electronic resource]:

...w military department called the "Department of Washington." It consists of the State of Maryland and the District of Columbia, according to the latter's original boundary, and therefore includes the Potomac river and Virginia shore. Col. C. F. Smith is assigned to the command with his headquarters at Washington. Capt. Talbot, Assistant Adjutant General, is relieved from the orders assigning him duty i...
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.