Statistics for occurrence #1 of “Harper's Ferry” in chapter 8.69 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: Volume 2.:

...eril, very serious, etc., etc., virtually admitting that it might then have been defeated. Thus it will be seen that there were two sides to the question whether Maryland Heights was the key to Harper's Ferry under the then existing circumstances, and that the detention of the Confederate forces around that place was prolonged, instead of abbreviated, by the continued occupation of Bolivar Heights by Colo...
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Entity Corpus Doc Corpus Doc  
Harper's Ferry (West Virginia, United States) 10,974 349 304 1 0 user votes

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