Statistics for occurrence #1 of “Harper's Ferry” in chapter 32, regiment OH153 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...ed at Camp Dennison, Ohio, and mustered in May 10, 1864. Left State for Harper's Ferry, W. Va., May 10. Attached to Railroad Guard, Reserve Division, Dept. of West Virginia. Guard duty at Harper's Ferry and along line of the Baltimore & Ohio Railroad till June 29. Action at Hammack's Mills, Oldtown, July 3. North Mountain July 3. South Branch Bridge and Patterson's Creek Bridge July ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Harper's Ferry (West Virginia, United States) 10,974 601 304 199 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.