Monument located on Union Avenue 200 yards south of the Iowa Memorial. Company D stone marker located on the north side of Union Avenue approximately .6 mile west of Thayer's Approach (Park Tour Stop #6). This unit was attached as escort to Maj. Frederick Steele's 1st Division of Maj. Gen. William T. Sherman's XV Army Corps and was commanded by Lt. Jonathan Kershner. [Refer to Steele of new York.]