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Antietam, MD - September 17, 1862*
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Shepherdstown Ford, VA - September 19 - 20, 1862 (Antietam Campaign)
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Fredericksburg, VA - December 13, 1862
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Chancellorsville, VA - May 1 - 4, 1863
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Middleburg, VA - June 17, 1863 (Gettysburg Campaign)
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Gettysburg, PA - July 1 - 3, 1863 (Gettysburg Campaign)
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Sharpsburg Pike, MD - (Gettysburg Campaign)
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Rappahannock Station, VA - November 7, 1863 (Bristoe Campaign)
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Mine Run, VA - November 26 - December 1, 1863
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Wilderness, VA - May 5 - 7, 1864
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Spotsylvania, VA - May 7 - 20, 1864
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North Anna, VA - May 23 - 27, 1864
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Totopotomy, VA - May 26, - 30, 1864
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Bethesda Church, VA - May 30 - June 1, 1864
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Cold Harbor, VA - May 31 - June 12, 1864
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Petersburg, VA Seige - June 1864
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Jerusalem Plank Road, VA - June 22 - 23, 1864 (Petersburg Campaign)
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Weldon Railroad, VA - August 18 - 21, 1864 (Petersburg Campaign)
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Peebles Farm, VA - September 30 - October 2, 1864 (Petersburg Campaign)
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Hatchers Run, VA - December 8 - 9, 1864 (Petersburg Campaign)
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Quaker Road, VA - March 29, 1865 (Appomattox Campaign)
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Gravelly Run, VA - March 29, 1865 (Appomattox Campaign)
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Five Forks, VA - March 30 - April 1, 1865 (Appomattox Campaign)
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Appomattox, VA - March 29 - April 9, 1865
Casualties
1,621 Enrollment
147 killed or died of wounds
381 wounded
146 died of disease
15 in Confederate Prisons
Civil War Records Common To All Regiments
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Civil War Correspondence
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Civil War Index for Soldiers and Sailors
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Civil War Muster Rolls
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Civil War Obituaries
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Civil War Photos (Mostly Officers)
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Cemetery Index
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General Law Pension
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Graves Registration Cards
Civil War Records Unique to the Twentieth Maine Infantry
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Recruits, 1864-65 (Box 57)
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Rejected Men, 1862 (Box 57)
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Twentieth Regiment list, 1862 (Box 57)
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Re-enlistment in field, 1863 (Box 57)
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Muster In and Descriptive List, 1864-65 (Box 57)
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Enlistment Papers, 1862 (Box 58)
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Clothing Books - 6 Volumes, 1862-1865
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Consolidated Morning Report, 1862-1865 (1 Volume)
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Hospital Returns, August 1863
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Medical Examinataions 1861-1862
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Post War Post Office Addresses
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Regimental Returns - 19th, 20th, 21th - 1862
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Regimental Returns - 20th, 29th, 30th - 1863
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Regimental Returns - 17th, 19th, 20th - 1864
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Single Muster Out Rolls, List of men
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Civil War Diary - Nathan S. Clark, Co. H. 1862-1865
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Civil War Letters - Hezekiah Long, Co. I. September 10, 1862 to February 21, 1865. Copies (122 pages)
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Record of Lt. Edward Simonton, Co. G, donated by him 1895 (3 pages)
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Copies of Ellis Spear's wartime diaries, 1863, 1864, 1865
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Albert E. Fernald papers (notebook)
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Calendar of Correspondence