George Martin

Partial Order of Battle, Pea Ridge

Other Troops

1st Battalion, Arkansas Cavalry --- Major W. H. Brooks
Battalion Texas Cavalry --- Major R. P. Crump
Battalion, Texas Mounted Rifles --- Major J. W. Shefield
Teel's Texas Artillery Battery
19th Arkansas Infantry Regiment --- Lieutenant Colonel P. R. Smith
22nd Arkansas Infantry Regiment --- Colonel G. W. King

Col. G. W. King was regimental commander of the 1st 22nd Arkansas, later redesignated the 20th Arkansas.

Another order of battle records the 20th Arkansas at Pea Ridge

The 20th Arkansas Infantry was organized at DeValls Bluff, Arkansas, on April 9, 1862, with ten companies of volunteers from central and southwest Arkansas. Initially designated as the 22nd Arkansas Infantry, it was reorganized at Corinth, Mississippi, on May 13, 1862; and redesignated as the 20th Arkansas Infantry, in order to avoid confusion with McCord’s 22nd Arkansas Infantry. The regiment fought at Corinth, Grand Gulf, Port Gibson, Champion’s Hill, and the Big Black River Bridge, all in Mississippi, in 1862-1863. It was assigned to the garrison at Vicksburg, Mississippi, and endured the siege of that place until the surrender on July 4, 1863. The men were paroled and returned to Arkansas. After being exchanged, the 20th Arkansas was mounted and fought in the Camden Expedition in April 1864. In November 1864, the remnants of the 18th, 19th and 20th Arkansas regiments were combined to form the 3rd Arkansas Consolidated Regiment. The regiment was included in the general surrender of Confederate forces in the Trans-Mississippi Department on May 26, 1865. — Edward Gerdes and Bryan Howerton, Researchers.

20th Regiment Arkansas Infantry.
Field and Staff Officers.

King, G W
Colonel—Enlisted in Co. I at Little Rock, Arkansas, February 26, 1862; elected captain, February 26, 1862; elected colonel, April 9, 1862; signed certificate as inspector and mustering officer.
http://www.couchgenweb.com/civilwar/20inff&s.html