Statistics for occurrence #1 of “Washington, D. C.” in chapter 30, regiment NY54 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

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Organized at Hudson, N. Y., and mustered in September 5 to October 16, 1861. Left State for Washington, D. C. , October 29, 1861. Attached to Provisional Brigade, Casey's Division, Army of the Potomac, to December, 1861. Steinwehr's Brigade, Blenker's Division, Army of the Potomac, to March, 1862. ...
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