U.S.A. Ricketts’ Division, First Army Corps, Brig. Gen. James B. Ricketts, Commanding. September 17, 1862. Ricketts’ Division, on the left of the First Corps, formed for attack at 6 a.m., in the following order: Hartsuff’s Brigade in advance, . . . — — Map (db m5934) HM
U.S.A. Twelfth Army Corps Maj. Gen. Jos. K. F. Mansfield, Commanding. September 17, 1862. The Twelfth Corps left its bivouac on the Line and Hoffman Farms at daylight, moved forward in column of battalions in mass and deployed in support of the . . . — — Map (db m5947) HM
U.S.A. Williams' Division, Twelfth Army Corps, Brig. Gen. Alpheus S. Williams, Commanding. (September 17, 1862.) Williams' Division moved from the Line and Hoffman Farms at daylight on the 17th, formed line at 7 a.m. near the North Woods, and . . . — — Map (db m5961) HM
113th of the Line 4th Brigade Cavalry Division Recruited in Philadelphia Battles Participated in Second Manassas - Fisher's Hill - Clarksburg Sugar Loaf Mountain - Monocacy - Charlestown South Mountain - Frederick - Maryland Heights Antietam - . . . — — Map (db m5969) HM
U.S.A. Twelfth Army Corps Crawford's Brigade Williams' Division. Brig. General Samuel W. Crawford, Commanding. Organization. 10th Maine, 28th New York, 46th, 124th, 125th and 128th Pennsylvania Infantry. September 17, 1862. Crawford's Brigade . . . — — Map (db m5964) HM
U.S.A. Greene's Division, Twelfth Army Corps. Brig. Gen. George S. Greene, Commanding. September 17, 1862. Greene's Division crossed the Antietam, by the Upper Bridge, about midnight of the 16th and bivouacked on the Hoffman Farm. On the . . . — — Map (db m5993) HM
(Front Face):
Major General Joseph K. F. Mansfield Commanding the 12th Corps Army of the Potomac Mortally wounded near this spot September 17th, 1862 About 7-35 a.m. While deploying his corps in action (Left Face):Erected by . . . — — Map (db m5997) HM
Union Major General Joseph Mansfield led his Twelfth Corps into the East Woods. He had commanded the corps only two days. Mansfield saw soldiers from the 10th Maine Regiment firing into the woods: "Stop, you are firing into our own men!" . . . — — Map (db m5812) HM
"The shells crashing through the trees and fluttering overhead as well as the musketry...all contributed to mark the time, and place, fixed in one's memory forever." Diary of Sergeant Charles Broomhall, 124th Pennsylvania Infantry You are . . . — — Map (db m20714) HM
U.S.A. Greene's Division, Twelfth Army Corps, Brig. Gen. Geo. S. Greene, Commanding, (September 17, 1862.) Tyndale's and Stainrook's Brigades of Greene's Division formed line about 8 a.m., a short distance beyond the East Woods and, advancing to . . . — — Map (db m5792) HM
U.S.A. Slocum's Division, Sixth Army Corps. Maj. Gen. Henry W. Slocum, Commanding. September 17, 1862. Slocum's Division followed Smith's in its march from near Crampton's Pass on the morning of the 17th, and, upon reaching the field, occupied . . . — — Map (db m6001) HM
1st, 2nd, 3rd, 4th Infantry and Hexamer’s Battery
September 17, 1862 —————The Brigade arrived upon this field from Crampton's Pass about noon, and was formed for a charge upon the Confederate line just north of . . . — — Map (db m6025) HM
U.S.A. Smith's Division, Sixth Army Corps, Maj. Gen. William F. Smith, Commanding. (September 17, 1862.) Smith's Division left camp between Crampton's Pass and Rohrersville, in Pleasant Valley, at 5:30 a.m., of the 17th, crossed the Antietam at . . . — — Map (db m6027) HM
U.S.A. Ricketts' Division, First Army Corps, Brig. Gen. James B. Ricketts, Commanding. September 16, 1862. Ricketts' Division crossed the Antietam at the Sumner Bridge on the afternoon of Sept. 16, and moved in a westerly direction toward the . . . — — Map (db m7189) HM
U.S.A. Through the fields west of this road the Twelfth Army Corps moved to the front between 6 a.m. and 7 a.m. on September 17, 1862, Williams' Division in advance, Greene's Division following. — — Map (db m7190) HM
