Statistics for occurrence #1 of “Harper's Ferry, W. Va.” in chapter 7 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...y 10, and duty at Norfolk, Portsmouth and Suffolk till September 8. Moved to Washington, D. C., thence to Antietam, Md., September 8-16. Battle of Antietam, Md., September 16-17. Moved to Harper's Ferry, W. Va. , September 22, and duty there till October 30. Reconnoissance. to Charlestown October 16-17. Advance up Loudon Valley and movement to Falmouth, Va., October 30-November 17. Battle of Fred...
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