Statistics for occurrence #1 of “Boonsboro” in chapter 18 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...ton August 29. Bull Run August 30. Chantilly September 1. Evacuation of Winchester September 2 (Cos. H, I ). Frederick, Md., September 6. Boonsboro, Md., September 7. Near Boonsboro September 10. Maryland Heights and Harper's Ferry September 12-13 (Cos. H, I ). Cut way through enemy's lines September 14 (Cos. H and I ). Culpeper September 14. Sharpsburg S...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Boonsboro (Maryland, United States) 743 35 41 9 0 user votes
Boonsboro (Virginia, United States) 38 34 0 0 0 user votes
Boonsboro (Maryland, United States) 0 0 0 0 0 user votes
Boonsboro (Missouri, 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.