Statistics for occurrence #1 of “Potomac” in chapter 4 of General Joseph E. Johnston, Narrative of Military Operations During the Civil War:

...ginning of the year, General Jackson moved from Winchester with four brigades of infantry and a regiment of cavalry, to drive the Federal troops, then in the northern part of his district, across the Potomac . Their number being inconsiderable, he succeeded in ten days, without serious fighting. His men suffered very much, however, from cold, and hard marches. In the distribution of the troops of...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Potomac (Illinois, United States) 2 0 0 0 0 user votes
Potomac (Maryland, United States) 1 0 1 0 0 user votes
Potomac (Montana, United States) 0 0 0 0 0 user votes
Potomac (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.