No unit designations/Field & Staff
10th Infantry Regiment [also called 12th Regiment] "Steen's Infantry", "Pickett's Infantry", or "Moore's Infantry", was organized in November, 1862. Some of its members were raised in the counties of Chariton, Crawford, and Howard. The unit was assigned to A. E. Steen's, Parson's, and S. P. Burns' Brigade, Trans-Mississippi Department, and saw action in Arkansas and Missouri. It lost 11 killed, 41 wounded, and 237 missing at Helena, and after the fight it mustered 236 men. The regiment sustained 34 casualties at Pleasant Hill and 10 at Jenkins' Ferry. During the spring of 1865 it disbanded. The field officers were Colonel W. M. Moore, Alexander C. Pickett, and A. E. Steen; Lieutenant Colonel Simon Harris; and Major Elijah Magoffin.