 On 31 December 1864, General Kirby Smith's report on the organization of his forces lists the 33rd Arkansas, under the command of Colonel Thompson as belonging to Brigadier General James C. Tappan's, 3rd Brigade of Acting Major General Thomas J. Churchill's 1st Arkansas Infantry Division of Major General John B. Magruder's 2nd Army Corps, Confederate Army of the Trans-Mississippi.On 22 January 1865, Major General Churchill was ordered to move his division to Minden, Louisiana, and occupy winter quarters.Union commanders in the Department of the Gulf reported on March 20, 1865, that General Tappan's brigade minus Shaver's regiment, was located a Minden, Louisiana, with the rest of Churchill's Division.