Statistics for occurrence #1 of “Harper's Ferry” in chapter 5 of Isaac O. Best, History of the 121st New York State Infantry:

...force of the enemy it would be necessary to wrest from him the passes of this range of mountains. To the Sixth Corps was assigned the attack upon Crampton's Pass, the one farthest south and nearest Harper's Ferry . The head of the column was veered to the south, and passing through the village of Jefferson on the 14th of September, halted a short distance from the town. Here the sound of cannon from the di...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Harper's Ferry (West Virginia, United States) 10,974 18 304 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.