you may want to check out the nationsal parks soilders and saliors web site to for info on the 27th la. i must say as a volunteer at campmoore i had the privilage of working with the grandson of capt.joseph t. hatch. he took command of the 27th when col.mark and lt.col. mclauren were killed.the site i mentioned has a listing of the men who severed in the 27th.also on that site is the vicksburg battlefield web site as well. randy ritchie campmoore camp#1223scv tangipahoa,la. proud desendent of rev.john m. ritchie,pvt.co.c garlands batt.ms.cav.