Statistics for occurrence #1 of “Washington, D. C.” in chapter 12, regiment IN11, section c.12.40 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...eranize January 1, 1864. Veterans on furlough March 4 to May 8. Duty in District of LaFourche and Defenses of New Orleans, La., till May. At New Orleans, La., till July 19. Ordered to Washington, D. C. , July 19. Sheridan's Shenandoah Valley Campaign August 7-November 28. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Woodstock September 23. Mount Jackso...
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