Statistics for occurrence #1 of “Hagerstown” in chapter 8.65 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: Volume 2.:

...is front. And during the whole Maryland campaign his army was nearer Washington than was Lee's. On or before September 7th, General McClellan advised that Harper's Ferry should be evacuated via Hagerstown , so as to hold the Cumberland Valley against an advance toward Harrisburg, and on the 10th of September he asked that the garrison at Harper's Ferry should be ordered to join him. General Halleck in ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Hagerstown (Maryland, United States) 2,520 72 172 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.