Statistics for occurrence #1 of “Potomac” in chapter 9 of Heros von Borcke, Memoirs of the Confederate War for Independence:

...of happy quietude and social enjoyment. At an early hour we received a report from our pickets near Shepherdstown that the enemy were showing themselves in large numbers on the opposite bank of the Potomac , to which about noon succeeded the intelligence that several brigades of Federal cavalry under General Pleasanton had crossed the river, driven in our pickets, and were rapidly advancing upon Martins...
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.