It is my understanding that CPT Throckmorton's Company K, 3 TST from McKenney, was also in this mix. From records of my GGF's service in Company K, in the time frame you describe, June to Aug, they served along the line of the three post described and then disbanded at the end of Aug and became Company K, 6th TX Cav Rgt, CSA on the 12th of Sep in North Dallas. Company K was under Col Young, TST>