12th Illinois Infantry - 13th Missouri Infantry

McArthur's Brigade - W.H.L. Wallace's Division

U.S.

Army of the Tennessee.

12th Illinois Infantry,

13th Missouri Infantry,

McArthur's (2d) Brigade,

W.H.L. Wallace's (2d) Division.

At about 10 a.m. April 7, 1862 these regiments advanced from this position and engaged the enemy that was sheltered behind a breastwork ...