The monument at Antietam to the 12th Ohio Volunteer Infantry Regiment is 350 yards east of Branch Avenue. It can be reached by a trail on the Otto farm. (Branch Avenue South tour map) The monument was dedicated in 1903.
The 12th Ohio was commanded at the Battle of Antietam by Colonel Carr B. White, a veteran of the Mexican War.
Three days previously at the Battle of South Mountan, Private Leonidas H. Inscho earned the Medal of Honor by capturing a Confederate captain and four men, alone and with a wounded left hand.
Text from the front of the monument (top right):
OHIO
12th Infantry
Commanded by
Col. Carr B. White
Hugh Ewings (1st) Brigade
Kanawha Division
Ninth Army Corps
Army of the Potomac
Text from the rear of the monument:
This Regiment advanced to this place on the afternoon of September 17, 1862. It moved from extreme left of Union line of battle exposed to a severe flank fire and held their position the remainder of the day. Its loss was 17 men killed and 25 men wounded, total 33.
A small stone marker (lower right) on Branch Avenue points out the location of the main monument:
12th Ohio Infantry
Position and Monument
395 Yards Northeast
Location of the monument
The monument to the 12th Ohio Volunteer Infantry Regiment at Antietam is 350 yards east of Branch Avenue. (39°26’53.2″N 77°44’13.9″W) It can be reached by trails from Branch Avenue, the Otto farmhouse, and the Burnside Bridge parking area.
See more on the history of the 12th Ohio Volunteer Infantry Regiment in the Civil War