Near Sharpsburg in Washington County, Maryland — The American Northeast (Mid-Atlantic)
3rd Regt. Pennsylvania
Reserve Corps
2nd Brigade, 3rd Division, 1st Corps.
Arriving on the field on the afternoon of
September 16th, Lieut. Col. John Clark, com'd'g. the
regiment immediately deployed eight companies
as skirmishers.
When the 2nd Brigade advanced on the morning
of September 17th, the regiment fell into line,
and 600 yards south of this point became
engaged with Hood's Confederate Division.
Number engaged about 200
Casualties at Antietam.
Killed 12
Wounded 34
Total 46
3 companies recruited in Berks Co.
3 companies recruited in Bucks Co.
3 companies recruited in Philadelphia
1 company recruited in Wayne Co.
—————
Battles Participated in.
Dranesville
Mechanicsville
Gaines Mill
Charles City Cross Roads
Malvern Hill
Gainesville
2nd Bull Run
Chantilly
South Mountain
Antietam
Fredericksburg
Princeton C.H.
Brushy Mountain
Cloyds Mountain
New River Bridge
Blacksburg
Erected 1906 by Commonwealth of Pennsylvania.
Topics. This historical marker is listed in this topic list: War, US Civil. A significant historical date for this entry is September 17, 1862.
Location. 39° 29.329′ N, 77° 44.762′ W. Marker is near Sharpsburg, Maryland, in Washington County. Marker is on Mansfield Avenue, on the left when traveling east. Located just east of the pull off for stop two on the driving tour of Antietam Battlefield, the Poffenberger Farm. Touch for map. Marker is in this post office area: Sharpsburg MD 21782, United States of America. Touch for directions.
Other nearby markers. At least 10 other markers are within walking distance of this marker. First Army Corps (here, next to this marker); Meade's Division, First Army Corps (here, next to this marker); 1st Corps, 3rd Division, 2nd Brigade Bivouac (a few steps from this marker); a different marker also named Meade's Division, First Army Corps (a few steps from this marker); a different marker also named First Army Corps (a few steps from this marker); 8th Regt. Pennsylvania Reserver Volunteer Corps (within shouting distance of this marker); 4th Regiment Pennsylvania Reserve Volunteer Corps (within shouting distance of this marker); "The Battle Opened" (within shouting distance of this marker); The Culmination of Another Great Tragedy was at Hand (within shouting distance of this marker); Clara Barton (about 400 feet away, measured in a direct line). Touch for a list and map of all markers in Sharpsburg.
Also see . . . 3rd Pennsylvania Reserves Regiment Monument. National Park Service page detailing the monument. (Submitted on March 2, 2008, by Craig Swain of Leesburg, Virginia.)

Photographed By Craig Swain
5. Cluster of Tablets around the 3rd Pennsylvania Reserves Monument
War Department Tablets (from left to right) 16, 15, 11 and 1 flank the 3rd Pennsylvania Reserves Monument along side the northern leg of Mansfield Avenue. The unit bivouac tablet D stands closest to the camera on the left.
Credits. This page was last revised on March 31, 2022. It was originally submitted on March 2, 2008, by Craig Swain of Leesburg, Virginia. This page has been viewed 1,148 times since then and 23 times this year. Photos: 1, 2. submitted on March 2, 2008, by Craig Swain of Leesburg, Virginia. 3, 4. submitted on October 25, 2015, by Brian Scott of Anderson, South Carolina. 5. submitted on March 2, 2008, by Craig Swain of Leesburg, Virginia. 6. submitted on October 25, 2015, by Brian Scott of Anderson, South Carolina.