(3-97) South of Tour Stop-1 (Battery DeGolyer) and the Michigan Memorial. Site Marker: Yost's Independent Ohio Battery; 3d Div.:17th Corps: Army of the Tennessee. Capt. T. D. Yost. The battery was company F, 32d regiment Ohio volunteer infantry. Prior to the battle of Champion's Hill, May 16, two 12-pounder guns and four 3-inch rifles captured in that battle were turned over to it. Two sections served two 12-pounder guns and two 3-inch rifles in this position from about May 25 to the end of the siege, July 4, 1863, except that about June 29, the two 12-pounder guns were moved to and served in an advanced battery near the Jackson Road