Fresh from victory at the Second Battle of Manassas, Gen. Robert E. Lee’s Army of Northern Virginia crossed the Potomac River on September 4-6, 1862, to bring the Civil War to Northern soil and to recruit sympathetic Marylanders. Union Gen. George . . . — — Map (db m1967) HM
U.S.A. Companies G. I. and K., 4th U.S. Infantry. Lieut. C.H. Carlton, Commanding. September 17, 1862. Between 3 and 4 p.m., of the 17th, the 4th U.S. Infantry took position on the right (north) of the Boonsboro Pike, near the Bloody Lane. . . . — — Map (db m7087) HM
C.S.A. Reserve Artillery, Army of Northern Virginia, Brig. Gen. William N. Pendleton, Commanding. September 16-18, 1862. A portion of the Reserve Artillery took part in the battle of September 16-17; The rest was posted at the fords, in the . . . — — Map (db m7231) HM
(Top Plaque): 4th New York Vols. First Scott Life Guard 3rd Brigade, 3rd Division 2nd Corps (Lower Plaque):
Mustered in service May 4, 1861. Participated with the Army of the Potomac in the Battles of South Mountain, Antietam, . . . — — Map (db m7282) WM
C.S.A. Longstreet's Command. Maj. Gen. James Longstreet, Commanding. September 17, 1862. Early in the day several brigades of this command were sent to the vicinity of the Dunkard Church in support of Jackson's Command. At about 9:15 a.m. . . . — — Map (db m7240) HM
C.S.A. Longstreet's Command, Major General James Longstreet, Commanding. (September 14-16, 1862.) Longstreet's command, consisting of D.R. Jones' and Hood's Divisions and Evans' Brigade, with D.H. Hill's Division of Jackson's Command, withdrew . . . — — Map (db m7237) HM
C.S.A. Washington Artillery, Longstreet's Command, Col. J. B. Walton Commanding. (September 17, 1862.) During the forenoon the Washington Artillery was engaged with the enemy's heavy batteries on the opposite side of Antietam Creek. At 9:15, the . . . — — Map (db m7233) HM
C.S.A. Washington Artillery, Longstreet's Command, Col J. B. Walton, Commanding. Organization. 1st Company, Washington Artillery, La. 2nd Company, Washington Artillery, La. 3rd Company, Washington Artillery, La. 4th Company, Washington . . . — — Map (db m7232) HM
C.S.A. D.R. Jones' Division, Longstreet's Command, Brig. Gen. David R. Jones, Commanding. September 17, 1862. The division formed at daylight on the plateau commanding the approaches to the Burnside Bridge. At about noon the enemy made several . . . — — Map (db m7257) HM
C.S.A. D.R. Jones' Division, Longstreet's Command. Brig. Gen. David R. Jones, Commanding. September 15-16, 1862. This division, composed of the brigades of Toombs, Kempter, Drayton, [J]en[k]ins, Garnett, and George T. Anderson, withdrew from its . . . — — Map (db m7258) HM
C.S.A. Hood's Division, Longstreet's Command, Brig. Gen. John B. Hood, Commanding. September 15-16, 1862. Hood's Division withdrew from its position on South Mountain and marched to Sharpsburg during the night of September 14, acting as rear . . . — — Map (db m7242) HM
C.S.A. Evans' Brigade, Longstreet's Command. Brig. Gen. Nathan G. Evans, Commanding. (September 17, 1862.) Evans' Brigade continued in support of the artillery during the morning of the 17th, covering the approaches to Sharpsburg by the . . . — — Map (db m7269) HM