MS CS Graves Registrations says "George Lee Walton, 25th LA, d. 1909, buried in Adams County, MS."
Art Bergerons's book on LA CS units shows Walton as a Capt. of Co. F of this unit and not listed among the regimental officers, so the "Col." may have been a post-war honor.
Hope this helps! -- Jim Huffman, Gainesville Vols