I. M. Slawson's Civil War Service
With the 23rd New York Volunteers, 1861:
Near Falls Church, VA 14 Aug
Balls Cross Roads, VA 27 Aug
Munsons Hill, VA 31 Aug
With Battery B, 4th US Artillery, 1862:
Advance on Manassas, 10-15 March
Advance on Falmouth, 9-19 April
Falmouth and Fredericksburg until August
Reconnaissance from Fredericksburg to Orange Court House 24-27 July
Battle of Cedar Mountain, 9 Aug
Popes Campaign in Northern Virginia, 16 Aug.-2 Sept.
Battle of Groveton, 29 Aug
Battle of Bull Run (second), 30 Aug
Maryland Campaign, 6-22 Sept.
Battle of South Mountain, 16 Sept.
Battle of Antietam, 17 Sept.
Movement to Falmouth, 30 Oct. to 19 Nov.
Battle of Fredericksburg, 12-15 December
At Falmouth through 31 Dec. (rejoins 23rd New York)
With 23rd New York, 1863:
Provost duty at Aquia Creek, Jan. through May
Chancellorville Campaign 27 April-6 May
Mustered out: 23 May 1863
With 71st New York, 26 Aug. through 9 Oct. 1864
With the 120th New York Volunteers, 1864:
Boydton Plank Rd., VA 27-28 Oct.
Halifax Plank Rd., VA 6 Nov.
Hicksford Raid, VA 6-11 Dec.
With the 120th New York, 1865:
Hatchers Run, VA 5-7 Feb.
With either the 120th New York or the 39th New York:
Petersburg Works, VA 25 March
White Oak Ridge, VA` 29-31 March
Field Promotion from Private in 120th to 2nd Lieutenant in 39th, 30 March
With the 39th New York (most likely), 1865:
Fall of Petersburg, VA 2 April
Deatonsville Rd. 6 April
Appomattox Court House 9 April