Statistics for occurrence #1 of “Washington, D. C.” in chapter 30, regiment NY30Battery of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

.... Artillery, 1st Division, West Virginia, to May, 1864. Artillery Brigade, West Virginia, to July, 1864. Reserve Division, Harper's Ferry, West Virginia, to January, 1865. Camp Barry, Washington, D. C. , 22nd Army Corps, to June, 1865. Chancellorsville Campaign April 27-May 6, 1863. Duty at Harper's Ferry and Martinsburg, W. Va., till April, 1864. Sigel's Expedition from Martinsburg...
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