The monument at Antietam to the 11th Ohio Volunteer Infantry Regiment is about 150 yards east of Branch Avenue on the farm lane south of the Otto House. (Branch Avenue North tour map) It was dedicated in 1903.
The 11th Ohio Infantry was commanded at Antietam by Lieuteant Colonel Augustus H. Coleman, a farmer from Troy, Ohio who had attended three years at West Point. Lieutenant Colonel Troy was the only officer of the regiment killed at Antietam. After Coleman was killed Major Lyman J. Jackson, a lawyer from Parry County, took command.
Text from the front of the monument:
OHIO
11th Infantry
Commanded by
Lieut. Col. Augustus H. Coleman (Killed)
Maj. Lyman Jackson
Crook’s Second Brigade
Kanawha Division
Ninth Army Corps
Army of the Potomac
From the rear of the monument:
This Regiment advanced in skirmish line toward the bridge over the Antietam Creek, participated in the charge which drove the enemy from the creek and advanced to this point which it held until the close of the day. Its loss was 1 officer and 3 men killed; 1 officer and 11 men wounded; 5 men missing, total 21.
A small stone marker stands on Branch Avenue to point out the location of the main monument:
11th Ohio Infantry
Position and Monument
167 Yards East
Location of the monument
The monument at Antietam to the 11th Ohio Infantry Volunteer Regiment is about 150 yards east of Branch Avenue on the farm lane south of the Otto House (39°27’07.1″N 77°44’16.6″W).
See more on the history of the 11th Ohio Volunteer Infantry Regiment during the Civil War