Fort Carroll (3) (1861-1865) - A Union U.S. Civil War earthworks fort established in 1861 in Washington DC. Named after Major General Samuel S. Carroll, (Cullum 1754). Abandoned in 1865 at the end of the war.
A large U.S. Civil War earthworks fortification begun in September 1861. The fort mounted 13 guns and 1 mortar.
A 17 May 1864 report from the Union Inspector of Artillery noted the following: "Fort Carroll, Capt. Loring S. Richardson commanding.–Garrison, one company Eighth Unattached Heavy Artillery, Massachusetts Volunteers–4 commissioned officers, 1 ordnance sergeant, 124 men. Armament, six 12-pounder field guns, four 32-pounder barbette, two 8-inch siege howitzers, one Coehorn mortar, one 30-pounder Parrott. Magazines, two; dry and in good order. Ammunition, not a full supply, but serviceable: requisition made for full supply. Implements, complete and serviceable. Garrison drilled only as infantry."
Cooling, Benjamin F. III and Owen, Valton H. II, Mr. Lincoln's Forts: A Guide to the Civil War Defenses of Washington, Scarecrow Press, 2009, ISBN 0810863073, ISBN 9780810863071, 334 pages.
Roberts, Robert B., Encyclopedia of Historic Forts: The Military, Pioneer, and Trading Posts of the United States, Macmillan, New York, 1988, 10th printing, ISBN 0-02-926880-X, page 134
