1 ► Maryland, Washington County, Sharpsburg — 4 — First Army Corps — Hoffmann's Brigade, Doubleday's Division —

2 ► Maryland, Washington County, Sharpsburg — H — Patrick's Brigade — First Army Corps —

3 ► Maryland, Washington County, Sharpsburg — 25 — First Army Corps — Artillery, Doubleday's Division —

4 ► Maryland, Washington County, Sharpsburg — A — Union Line of Battle —

5 ► Maryland, Washington County, Sharpsburg — 24 — First Army Corps — Anderson's Brigade, Meade's Division —

6 ► Maryland, Washington County, Sharpsburg — B — First Army Corps —

7 ► Maryland, Washington County, Sharpsburg — 7th Regiment Pennsylvania — Reserve Volunteer Infantry —

8 ► Maryland, Washington County, Sharpsburg — Clara Barton —

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9 ► Maryland, Washington County, Sharpsburg — "God has indeed remembered us" —

10 ► Maryland, Washington County, Sharpsburg — Clara Barton — Antietam National Battlefield — National Park Service, U.S. Department of the Interior —

11 ► Maryland, Washington County, Sharpsburg — "The Battle Opened" —

12 ► Maryland, Washington County, Sharpsburg — The Culmination of Another Great Tragedy was at Hand —

13 ► Maryland, Washington County, Sharpsburg — 4th Regiment Pennsylvania Reserve Volunteer Corps —

14 ► Maryland, Washington County, Sharpsburg — D — 1st Corps, 3rd Division, 2nd Brigade Bivouac —

15 ► Maryland, Washington County, Sharpsburg — 16 — First Army Corps — Magilton's Brigade, Meade's Division —

16 ► Maryland, Washington County, Sharpsburg — 3rd Regt. Pennsylvania — Reserve Corps —

17 ► Maryland, Washington County, Sharpsburg — 15 — Meade's Division, First Army Corps —

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18 ► Maryland, Washington County, Sharpsburg — 11 — Meade's Division, First Army Corps —

19 ► Maryland, Washington County, Sharpsburg — 1 — First Army Corps —

20 ► Maryland, Washington County, Sharpsburg — 8th Regt. Pennsylvania Reserver Volunteer Corps —

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