Statistics for occurrence #1 of “Washington, D. C.” in chapter 51, regiment reg912 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

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Organized at Washington, D. C. , October 10, 1863, by consolidation of the 17th, 34th, 97th, 103rd, 113th, 114th, 142nd, 144th, 145th and 151st Companies, 1st Battalion. Mustered out by detachments from June 25 to November 25, ...
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