Statistics for occurrence #1 of “Hagerstown” in chapter 6 of William Swinton, Campaigns of the Army of the Potomac:

...ggressive ardor. Franklin then formed the rest of his available force in a column of assault, with the intent to make another effort to gain the enemy's stronghold in the rocky woodland west of the Hagerstown turnpike—the woods Hooker had striven for, and Sumner had snatched and lost. But Sumner having command on the right, now intervened to postpone further operations on that flank, as he judged ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Hagerstown (Maryland, United States) 2,520 34 172 0 0 user votes
Hagerstown (Indiana, United States) 6 0 2 0 0 user votes
Hagerstown (New Jersey, United States) 4 0 0 0 0 user votes
Hagerstown (Ohio, United States) 4 0 2 0 0 user votes
Hagerstown (Ohio, United States) 0 0 0 0 0 user votes
Hagerstown (Ohio, 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.