Damon, according to my notes:

Dawson Lee Killgore was mustered into service at Little Rock on May 29, 1861, as captain, Co. G, 6th Arkansas Regiment Infantry; elected major on June 5, 1861; resigned on December 2, 1861.

Commissioned as major, 19th (Dockery's) Arkansas Regiment Infantry, at DeValls Bluff on April 2, 1862; resigned at Corinth, Mississippi, on May 12, 1862.

Appointed captain, Co. E, Crawford's 10th (aka 1st) Arkansas Cavalry, at Magnolia on September 19, 1863; promoted lieutenant-colonel on December 30, 1863; detailed as provost-marshal by order of Colonel Lawther on February 25, 1864.