Statistics for occurrence #1 of “Harper's Ferry” in chapter 47 of Admiral David D. Porter, The Naval History of the Civil War.:
|Max. Freq.||Min. Freq.|
|†||Harper's Ferry (West Virginia, United States)||10,974||4||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.