on google aee
://www.archive.org/stream/05296883.3325.emory.edu/05296883_3325#page/n7/mode/1up

• Campaigns of Walker’s Texas Division by A Private Soldier
It lists the officers from 1863 and many changes. the 17th was in the 3rd Brigade (McCillock to Scully)
It is a almost a day by day record of the Division.

My ancestor was in Company K, which would put him on the far right of the regiment The unit suffered heavy casualties at Milliken Bend.