I have recently opened a Thread on the Civil War in Mississippi Message Board for the debate and discussion of the above subject.
We have not had much / any thing about Missouri Troops I do not think.
As you know, Missouri at Vicksburg gets complicated.
We had Confederates (Bowen's Brigade is what I am most familiar with.) and several Regiments of Yankees also.
Of interest perhaps, we have been checking and double checking the stones in Soldier's Rest.
As you know, Soldier's Rest is the Confederate Cemetery at Vicksburg.
We have found Three Yankees from Missouri who have Stones in the Confederate Cemetery.
Apparently, they died in a Confederate Hospital.