Statistics for occurrence #1 of “Harper's Ferry” in chapter 7, page 214 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

... served in Missouri, at Carthage and at Springfield. As brigadier-general of volunteers, he was conspicuous for his bravery at Pea Ridge, and as major-general of volunteers was placed in command of Harper's Ferry in June, 1862. Then he served in the Army of Virginia, in command of its First Corps, out of which the Eleventh Corps, Army of the Potomac, was created. He relinquished the latter in January, 186...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Harper's Ferry (West Virginia, United States) 10,974 28 304 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.