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OVERVIEW: Organized at New York City and mustered in by Companies as follows: Companies "A," "B," "C," "D" and "E" October 11, 1861. Company "G" December 2, 1861. Company "K" December 3, 1861. Company "I" December 13, 1861. Company "F" January, 1862. Company "H" February 19, 1862. Companies "L" and "M" in the field April, 1864. Companies "A" to "E" left State for Annapolis, Md., October 2, 1861. Companies "G," "I" and "K" left State for Port Royal, S. C., December 14, 1861. Companies "F" and "H" left State for Port Royal, S. C., February, 1862. Served unattached, Sherman's South Carolina Expeditionary Corps, to April, 1862. District of Hilton Head, Dept. of the South, to September, 1862. District of Hilton Head, S. C., 10th Army Corps, Dept. of the South, to April, 1864. Engineer Brigade, 10th Army Corps, Army of the James, to May, 1864. Engineer Brigade, Headquarters Army of the James, Dept. of Virginia and North Carolina, to June, 1864. (4 Cos., "A," "C," "G" and "I," remained in the Dept. of the South April, 1864, to June, 1865.)
SERVICE: Sherman's Expedition to Port Royal, S. C., October 21-November 7, 1861. Capture of Forts Walker and Beauregard, Port Royal Harbor, and Hilton Head, S. C., November 7. Port Royal Ferry, S. C., January 1, 1862. Action with Commodore Tatnall's Flotilla January 28. Battery Vulcan February 4. Siege operations against Fort Pulaski, Ga., February to April. Bombardment and capture of Fort Pulaski April 10-11. Operations on James Island June 1-28. Actions on James Island June 10 and 13. Battle of Secessionville June 16. Evacuation of James Island and movement to Hilton Head June 28-July 7. Expedition from Hilton Head to Pocotaligo, S. C., October 21-23 (Cos. "F" and "G"). Coosawhatchie October 22. Colton's and Frampton's Plantation October 22. Duty at Hilton Head, S. C., till April, 1863. Operations on Folly Island, S. C., against Morris Island and Charleston till July. Attack on Morris Island July 10. Assaults on Fort Wagner, Morris Island, July 11 and 18. Siege of Forts Wagner and Gregg, Morris Island, and against Fort Sumpter and Charleston July 18-September 7. Bombardment of Fort Sumpter and Charleston August 17-23. Vinegar Hill August 26. (Co. "K" built Fort Duane at Beaufort, S. C., summer 1863.) Capture of Forts Wagner and Gregg September 7. Bombardment of Fort Sumpter October 26-November 9. Before Charleston till December. At Hilton Head, S. C., till April, 1864. 8 Companies ordered to Gloucester Point, Va., April, 1864. Butler's operations on south side of the James River and against Petersburg and Richmond May 4-28. Swift Creek May 6-10. Operations against Drury's Bluff May 12-16. Bermuda Hundred May 16-June 15. Assaults on Petersburg June 15-18. Siege operations against Petersburg and Richmond June 16, 1864, to April 2, 1865. Mine Explosion, Petersburg, July 30, 1864. Construction of Fort Hell before Petersburg September and October. Construction of Dutch Gap Canal October to December. Chaffin's Farm, New Market Heights, September 28-30. Fair Oaks October 27-28. Fall of Petersburg and Richmond April 2-3. Occupation of Richmond April 3. Rebuilt Mayo's Bridge June. Detachment in Dept. of the South participated in skirmish at King's Creek July 3, 1864. The Hatch Expedition up Broad River, S. C., November 28-30, 1864. Battle of Honey Hill November 30. Deveaux's Neck December 6. Regiment mustered out June 30, 1865.
Regiment lost during service 2 Officers and 25 Enlisted men killed and mortally wounded and 5 Officers and 116 Enlisted men by disease. Total 148.
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