U.S.A. Richardson's Division, Second Army Corps, Maj. Gen. Israel B. Richardson, Commanding. September 15-17, 1862. On the night of Sept. 15, 1862, the division was posted at the foot of the ridge on the north side of this road, to hold the . . . — — Map (db m7145) HM
U.S.A. Richardson's Division, Second Army Corps, Maj. Gen. Israel B. Richardson, commanding September 17, 1862. Richardson's Division crossed the Antietam at Pry's Ford about 9:30 a.m. and advanced to the ravine behind the high ground . . . — — Map (db m5502) HM
U.S.A. Second Army Corps. Caldwell's Brigade, Richardson's Division. Brig. General John C. Caldwell, Commanding. Organization 5th New Hampshire, 81st Pennsylvania, 7th, 61st, and 64th New York Infantry. (September 17, 1862) Caldwell's Brigade . . . — — Map (db m5539) HM
U.S.A. Second Army Corps Meagher's Brigade, Richardson's Division, Brig. Gen. Thomas F. Meagher, Commanding Organization 29th Massachusetts Infantry 63rd New York Infantry 69th New York Infantry 88th New York Infantry September 17, 1862 . . . — — Map (db m5521) HM
U.S.A. Second Army Corps, Brooke's Brigade, Richardson's Division Col. John R. Brooke, 53rd Pennsylvania Infantry, Commanding. Organization. 2nd Delaware Infantry, 52nd New York Infantry, 57th New York Infantry, 66th New York Infantry, 53d . . . — — Map (db m5541) HM
(Right Side): Formed in November, 1861, the Brigade was largely recruited in New York, Massachusetts, and Pennsylvania. Its initial regiments were the 69th, 88th, and 63rd New York State Volunteers. Other units identified as part of the . . . — — Map (db m5480) HM
Delaware 2nd Delaware Volunteers Capt. David L. Stricker 3rd Brigade, 1st Division, II Corps This regiment of Richardson's reserve brigade crossed Antietam Creek, advanced with division and came under heavy artillery fire while holding position . . . — — Map (db m207974) HM
U.S.A. Batteries A and C 4th U.S. Artillery. Lieut. Evan Thomas, U.S.A., Commanding. (September 17, 1862.) Batteries A and C (consolidated), 4th U.S. Artillery (6 guns), relieved Battery I, 1st U.S. Artillery just north of this point and went . . . — — Map (db m6032) HM