Here is a bit more on THompson's regiment and that angle

7TH ARKANSAS CAVALRY REGIMENT
CONFEDERATE STATES OF AMERICA

This regiment was formed by increasing Hill's Cav Bn to to a regiment 25Jul1863.

NOTE: The Thompson's Regt referred to at times was later redesignated as Gordon's Regt of Cav

BATTLES: Devil's Backbone 1Sep1863
Camden Expedition Mar-May1864
Poison Springs 18Apr1864
Marks Mill 25Apr1864
Price's MO Raid Sep-Pct1864
Marais des Cygnes 25Oct1864