As noted, these soldiers were in the 5th Mississippi Infantry and not the 5th Missouri Infantry. They are:

Capt. Leonidas Bonaparte Fowler, age 30, Co A. 5th Mississippi, buried in Mississippi Section 25, Grave # 53.
Pvt. Winband F. Eiland, age 21, Co. H. 5th Mississippi, buried in Mississippi Section 25, Grave # 50.
Pvt. John W. Hindman, Co. F. 5th Mississippi buried in Mississippi Section 25, Grave # 52.

Thanks, Tim Burgess