The Fourth Alabama Painting by Don Troiani

Department of Washington

Inspector General & Colonel J K F Mansfield, United States Army

Independent companies

Major D Hunter, Paymaster, United States Army

Washington Clay Guards Battalion Infantry & Frontier Guards

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District of Columbia Militia

Colonel C P Stone, Fourteenth United States Infantry & Inspector General, District of Columbia Militia

President's Mounted Guards; First, Second, Third, Fourth, Fifth, Sixth, Seventh & Eighth District of Columbia Militia Battalion Infantry

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Three Months' Volunteers

First Maine Infantry; First New Hampshire Infantry; Third Massachusetts Battalion Rifles, Company D; Sixth Massachusetts Infantry; Fifth, Seventh, & Eighth New York State Militia Infantry; Jackson Horse Guards, 1st New York State Militia Cavalry, Company A; Seventeenth (First Pennsylvania Artillery) & Twenty-fifth Pennsylvania Infantry; First Rhode Island Detached Militia Light Artillery (Providence Marine Corps Artillery)

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Volunteers

Sixth Maine Infantry; Seventh & Ninth Massachusetts Infantry; Twenty-sixth Pennsylvania Infantry; Sixth, Seventh, Eighth, Ninth & Tenth Pennsylvania Reserve Infantry; Ninth New York State Militia Infantry (Eighty-third New York Infantry) & Ninth New York State Militia Infantry, Company K (Sixth New York Independent Light Artillery); Fourteenth, Nineteenth (Third New York Light Artillery), Twenty-second, Twenty-third, Twenty-fourth, Twenty-eighth, Thirtieth, Thirty-third, Thirty-fourth, Thirty-fifth, Thirty-sixth, Forty-second New York Infantry, & First New York Cavalry, Company C

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United States Army

United States Corps Engineers, Company A; First United States Infantry, Companies I & D; Second United States Artillery, Companies H & K; Fourth United States Artillery, Light Company F; Second United States Dragoons, Company I; Second United States Cavalry, Companies D & H

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