Statistics for occurrence #1 of “Potomac river” in article 1 of The Daily Dispatch: November 22, 1862., [Electronic resource]:

... as a joke that may be carried too far, and others don't see much about it to laugh at. During the afternoon the impression prevailed that the enemy were embarking in the vicinity of Aquia creek, the Potomac river being reported as fad of transports. Thursday morning opens in lowering style — a thick, cloudy sky, with spattering rain. Along the whole range of hills, from Falmouth down, stand batt...
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.