I would also recommend the Vicksburg National Military Park where you can also find guides. Trench lines, and gun emplacements are still visible.

Of much interest there is the raised and reconstructed Iron Clad Cairo gunboat.

A Goggle search Vicksburg National Military Park should lead you to the National Park Service site.

I will be leading a tour there June 13-15 for descendants of the 43rd Tennessee.

George Martin