On page 463 of my new book, Also for Glory: The Pettigrew-Trimble Charge at Gettysburg the morning muster of company G of the 11th Mississippi includes Mike Shaw's ancestor:

Corp. George Turner Shaw 20 yr old student enlisted Houston, Ms 3/19/61 (W- Fair Oaks)

K 7/3

My book includes the Getysburg musters (both 7/1 & 7/3) of all 23 regiments in the Pettigrew-Trimble Charge as well as the most detailed examination of that atack ever written.... ernscave@aol.com