Statistics for occurrence #1 of “Harper's Ferry” in chapter 2 of Brig.-Gen. Bradley T. Johnson, Confederate Military History, a library of Confederate States Military History: Volume 2.1, Maryland:

... as weak looking as a drove of cattle as the regulars escorted them through the streets. But the telegraph flamed out the news of the secession of Virginia, and at night the story of the capture of Harper's Ferry by the Virginia troops, with whom were Marylanders led by Bradley Johnson. The town was afire the night of the 18th. From all quarters came tidings of troops from the North and West, concentratin...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Harper's Ferry (West Virginia, United States) 10,974 93 304 1 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.